add globals controls to the fax menu item on the tab layout
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53 <div class="section" id="faq-frequently-asked-questions">
54 <span id="faq"></span><h1>FAQ - Frequently Asked Questions<a class="headerlink" href="#faq-frequently-asked-questions" title="Permalink to this headline"></a></h1>
55 <p>Please have a look at our <a class="reference external" href="https://www.phpmyadmin.net/docs/">Link section</a> on the official
56 phpMyAdmin homepage for in-depth coverage of phpMyAdmin&#8217;s features and
57 or interface.</p>
58 <div class="section" id="server">
59 <span id="faqserver"></span><h2>Server<a class="headerlink" href="#server" title="Permalink to this headline"></a></h2>
60 <div class="section" id="my-server-is-crashing-each-time-a-specific-action-is-required-or-phpmyadmin-sends-a-blank-page-or-a-page-full-of-cryptic-characters-to-my-browser-what-can-i-do">
61 <span id="faq1-1"></span><h3>1.1 My server is crashing each time a specific action is required or phpMyAdmin sends a blank page or a page full of cryptic characters to my browser, what can I do?<a class="headerlink" href="#my-server-is-crashing-each-time-a-specific-action-is-required-or-phpmyadmin-sends-a-blank-page-or-a-page-full-of-cryptic-characters-to-my-browser-what-can-i-do" title="Permalink to this headline"></a></h3>
62 <p>Try to set the <span class="target" id="index-0"></span><a class="reference internal" href="config.html#cfg_OBGzip"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['OBGzip']</span></tt></a> directive to <tt class="docutils literal"><span class="pre">false</span></tt> in your
63 <tt class="file docutils literal"><span class="pre">config.inc.php</span></tt> file and the <tt class="docutils literal"><span class="pre">zlib.output_compression</span></tt> directive to
64 <tt class="docutils literal"><span class="pre">Off</span></tt> in your php configuration file.</p>
65 </div>
66 <div class="section" id="my-apache-server-crashes-when-using-phpmyadmin">
67 <span id="faq1-2"></span><h3>1.2 My Apache server crashes when using phpMyAdmin.<a class="headerlink" href="#my-apache-server-crashes-when-using-phpmyadmin" title="Permalink to this headline"></a></h3>
68 <p>You should first try the latest versions of Apache (and possibly MySQL). If
69 your server keeps crashing, please ask for help in the various Apache support
70 groups.</p>
71 <div class="admonition seealso">
72 <p class="first admonition-title">See also</p>
73 <p class="last"><a class="reference internal" href="#faq1-1"><em>1.1 My server is crashing each time a specific action is required or phpMyAdmin sends a blank page or a page full of cryptic characters to my browser, what can I do?</em></a></p>
74 </div>
75 </div>
76 <div class="section" id="withdrawn">
77 <span id="faq1-3"></span><h3>1.3 (withdrawn).<a class="headerlink" href="#withdrawn" title="Permalink to this headline"></a></h3>
78 </div>
79 <div class="section" id="using-phpmyadmin-on-iis-i-m-displayed-the-error-message-the-specified-cgi-application-misbehaved-by-not-returning-a-complete-set-of-http-headers">
80 <span id="faq1-4"></span><h3>1.4 Using phpMyAdmin on IIS, I&#8217;m displayed the error message: &#8220;The specified CGI application misbehaved by not returning a complete set of HTTP headers ...&#8221;.<a class="headerlink" href="#using-phpmyadmin-on-iis-i-m-displayed-the-error-message-the-specified-cgi-application-misbehaved-by-not-returning-a-complete-set-of-http-headers" title="Permalink to this headline"></a></h3>
81 <p>You just forgot to read the <em>install.txt</em> file from the PHP
82 distribution. Have a look at the last message in this <a class="reference external" href="http://bugs.php.net/bug.php?id=12061">PHP bug report #12061</a> from the official PHP bug
83 database.</p>
84 </div>
85 <div class="section" id="using-phpmyadmin-on-iis-i-m-facing-crashes-and-or-many-error-messages-with-the-http">
86 <span id="faq1-5"></span><h3>1.5 Using phpMyAdmin on IIS, I&#8217;m facing crashes and/or many error messages with the HTTP.<a class="headerlink" href="#using-phpmyadmin-on-iis-i-m-facing-crashes-and-or-many-error-messages-with-the-http" title="Permalink to this headline"></a></h3>
87 <p>This is a known problem with the PHP <a class="reference internal" href="glossary.html#term-isapi"><em class="xref std std-term">ISAPI</em></a> filter: it&#8217;s not so stable.
88 Please use instead the cookie authentication mode.</p>
89 </div>
90 <div class="section" id="i-can-t-use-phpmyadmin-on-pws-nothing-is-displayed">
91 <span id="faq1-6"></span><h3>1.6 I can&#8217;t use phpMyAdmin on PWS: nothing is displayed!<a class="headerlink" href="#i-can-t-use-phpmyadmin-on-pws-nothing-is-displayed" title="Permalink to this headline"></a></h3>
92 <p>This seems to be a PWS bug. Filippo Simoncini found a workaround (at
93 this time there is no better fix): remove or comment the <tt class="docutils literal"><span class="pre">DOCTYPE</span></tt>
94 declarations (2 lines) from the scripts <tt class="file docutils literal"><span class="pre">libraries/Header.class.php</span></tt>
95 and <tt class="file docutils literal"><span class="pre">index.php</span></tt>.</p>
96 </div>
97 <div class="section" id="how-can-i-gzip-a-dump-or-a-csv-export-it-does-not-seem-to-work">
98 <span id="faq1-7"></span><h3>1.7 How can I GZip a dump or a CSV export? It does not seem to work.<a class="headerlink" href="#how-can-i-gzip-a-dump-or-a-csv-export-it-does-not-seem-to-work" title="Permalink to this headline"></a></h3>
99 <p>This feature is based on the <tt class="docutils literal"><span class="pre">gzencode()</span></tt>
100 PHP function to be more independent of the platform (Unix/Windows,
101 Safe Mode or not, and so on). So, you must have Zlib support
102 (<tt class="docutils literal"><span class="pre">--with-zlib</span></tt>).</p>
103 </div>
104 <div class="section" id="i-cannot-insert-a-text-file-in-a-table-and-i-get-an-error-about-safe-mode-being-in-effect">
105 <span id="faq1-8"></span><h3>1.8 I cannot insert a text file in a table, and I get an error about safe mode being in effect.<a class="headerlink" href="#i-cannot-insert-a-text-file-in-a-table-and-i-get-an-error-about-safe-mode-being-in-effect" title="Permalink to this headline"></a></h3>
106 <p>Your uploaded file is saved by PHP in the &#8220;upload dir&#8221;, as defined in
107 <tt class="file docutils literal"><span class="pre">php.ini</span></tt> by the variable <tt class="docutils literal"><span class="pre">upload_tmp_dir</span></tt> (usually the system
108 default is <em>/tmp</em>). We recommend the following setup for Apache
109 servers running in safe mode, to enable uploads of files while being
110 reasonably secure:</p>
111 <ul class="simple">
112 <li>create a separate directory for uploads: <strong class="command">mkdir /tmp/php</strong></li>
113 <li>give ownership to the Apache server&#8217;s user.group: <strong class="command">chown
114 apache.apache /tmp/php</strong></li>
115 <li>give proper permission: <strong class="command">chmod 600 /tmp/php</strong></li>
116 <li>put <tt class="docutils literal"><span class="pre">upload_tmp_dir</span> <span class="pre">=</span> <span class="pre">/tmp/php</span></tt> in <tt class="file docutils literal"><span class="pre">php.ini</span></tt></li>
117 <li>restart Apache</li>
118 </ul>
119 </div>
120 <div class="section" id="faq1-9">
121 <span id="id1"></span><h3>1.9 (withdrawn).<a class="headerlink" href="#faq1-9" title="Permalink to this headline"></a></h3>
122 </div>
123 <div class="section" id="i-m-having-troubles-when-uploading-files-with-phpmyadmin-running-on-a-secure-server-my-browser-is-internet-explorer-and-i-m-using-the-apache-server">
124 <span id="faq1-10"></span><h3>1.10 I&#8217;m having troubles when uploading files with phpMyAdmin running on a secure server. My browser is Internet Explorer and I&#8217;m using the Apache server.<a class="headerlink" href="#i-m-having-troubles-when-uploading-files-with-phpmyadmin-running-on-a-secure-server-my-browser-is-internet-explorer-and-i-m-using-the-apache-server" title="Permalink to this headline"></a></h3>
125 <p>As suggested by &#8220;Rob M&#8221; in the phpWizard forum, add this line to your
126 <em>httpd.conf</em>:</p>
127 <div class="highlight-apache"><div class="highlight"><pre><span class="nb">SetEnvIf</span> <span class="k">User</span>-Agent <span class="s2">&quot;.*MSIE.*&quot;</span> nokeepalive ssl-unclean-shutdown
128 </pre></div>
129 </div>
130 <p>It seems to clear up many problems between Internet Explorer and SSL.</p>
131 </div>
132 <div class="section" id="i-get-an-open-basedir-restriction-while-uploading-a-file-from-the-query-box">
133 <span id="faq1-11"></span><h3>1.11 I get an &#8216;open_basedir restriction&#8217; while uploading a file from the query box.<a class="headerlink" href="#i-get-an-open-basedir-restriction-while-uploading-a-file-from-the-query-box" title="Permalink to this headline"></a></h3>
134 <p>Since version 2.2.4, phpMyAdmin supports servers with open_basedir
135 restrictions. However you need to create temporary directory and configure it
136 as <span class="target" id="index-1"></span><a class="reference internal" href="config.html#cfg_TempDir"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['TempDir']</span></tt></a>. The uploaded files will be moved there,
137 and after execution of your <a class="reference internal" href="glossary.html#term-sql"><em class="xref std std-term">SQL</em></a> commands, removed.</p>
138 </div>
139 <div class="section" id="i-have-lost-my-mysql-root-password-what-can-i-do">
140 <span id="faq1-12"></span><h3>1.12 I have lost my MySQL root password, what can I do?<a class="headerlink" href="#i-have-lost-my-mysql-root-password-what-can-i-do" title="Permalink to this headline"></a></h3>
141 <p>The MySQL manual explains how to <a class="reference external" href="http://dev.mysql.com/doc/mysql/en/resetting-permissions.html">reset the permissions</a>.</p>
142 </div>
143 <div class="section" id="faq1-13">
144 <span id="id2"></span><h3>1.13 (withdrawn).<a class="headerlink" href="#faq1-13" title="Permalink to this headline"></a></h3>
145 </div>
146 <div class="section" id="faq1-14">
147 <span id="id3"></span><h3>1.14 (withdrawn).<a class="headerlink" href="#faq1-14" title="Permalink to this headline"></a></h3>
148 </div>
149 <div class="section" id="i-have-problems-with-mysql-user-column-names">
150 <span id="faq1-15"></span><h3>1.15 I have problems with <em>mysql.user</em> column names.<a class="headerlink" href="#i-have-problems-with-mysql-user-column-names" title="Permalink to this headline"></a></h3>
151 <p>In previous MySQL versions, the <tt class="docutils literal"><span class="pre">User</span></tt> and <tt class="docutils literal"><span class="pre">Password``columns</span> <span class="pre">were</span>
152 <span class="pre">named</span> <span class="pre">``user</span></tt> and <tt class="docutils literal"><span class="pre">password</span></tt>. Please modify your column names to
153 align with current standards.</p>
154 </div>
155 <div class="section" id="i-cannot-upload-big-dump-files-memory-http-or-timeout-problems">
156 <span id="faq1-16"></span><h3>1.16 I cannot upload big dump files (memory, HTTP or timeout problems).<a class="headerlink" href="#i-cannot-upload-big-dump-files-memory-http-or-timeout-problems" title="Permalink to this headline"></a></h3>
157 <p>Starting with version 2.7.0, the import engine has been re–written and
158 these problems should not occur. If possible, upgrade your phpMyAdmin
159 to the latest version to take advantage of the new import features.</p>
160 <p>The first things to check (or ask your host provider to check) are the
161 values of <tt class="docutils literal"><span class="pre">upload_max_filesize</span></tt>, <tt class="docutils literal"><span class="pre">memory_limit</span></tt> and
162 <tt class="docutils literal"><span class="pre">post_max_size</span></tt> in the <tt class="file docutils literal"><span class="pre">php.ini</span></tt> configuration file. All of these
163 three settings limit the maximum size of data that can be submitted
164 and handled by PHP. One user also said that <tt class="docutils literal"><span class="pre">post_max_size</span></tt> and
165 <tt class="docutils literal"><span class="pre">memory_limit</span></tt> need to be larger than <tt class="docutils literal"><span class="pre">upload_max_filesize</span></tt>.
166 There exist several workarounds if your upload is too big or your
167 hosting provider is unwilling to change the settings:</p>
168 <ul>
169 <li><p class="first">Look at the <span class="target" id="index-2"></span><a class="reference internal" href="config.html#cfg_UploadDir"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['UploadDir']</span></tt></a> feature. This allows one to upload a file to the server
170 via scp, ftp, or your favorite file transfer method. PhpMyAdmin is
171 then able to import the files from the temporary directory. More
172 information is available in the <a class="reference internal" href="config.html#config"><em>Configuration</em></a> of this document.</p>
173 </li>
174 <li><p class="first">Using a utility (such as <a class="reference external" href="http://www.ozerov.de/bigdump.php">BigDump</a>) to split the files before
175 uploading. We cannot support this or any third party applications, but
176 are aware of users having success with it.</p>
177 </li>
178 <li><p class="first">If you have shell (command line) access, use MySQL to import the files
179 directly. You can do this by issuing the &#8220;source&#8221; command from within
180 MySQL:</p>
181 <div class="highlight-mysql"><div class="highlight"><pre><span class="n">source</span> <span class="n">filename</span><span class="p">.</span><span class="k">sql</span><span class="p">;</span>
182 </pre></div>
183 </div>
184 </li>
185 </ul>
186 </div>
187 <div class="section" id="which-database-versions-does-phpmyadmin-support">
188 <span id="faq1-17"></span><h3>1.17 Which Database versions does phpMyAdmin support?<a class="headerlink" href="#which-database-versions-does-phpmyadmin-support" title="Permalink to this headline"></a></h3>
189 <p>For <a class="reference external" href="http://www.mysql.com/">MySQL</a>, versions 5.5 and newer are supported.
190 For older MySQL versions, our <a class="reference external" href="https://www.phpmyadmin.net/downloads/">Downloads</a> page offers older phpMyAdmin versions
191 (which may have become unsupported).</p>
192 <p>For <a class="reference external" href="http://mariadb.org/">MariaDB</a>, versions 5.5 and newer are supported.</p>
193 <p>For <a class="reference external" href="http://www.drizzle.org">Drizzle</a>, versions 7.1 and newer are supported.</p>
194 </div>
195 <div class="section" id="a-i-cannot-connect-to-the-mysql-server-it-always-returns-the-error-message-client-does-not-support-authentication-protocol-requested-by-server-consider-upgrading-mysql-client">
196 <span id="faq1-17a"></span><h3>1.17a I cannot connect to the MySQL server. It always returns the error message, &#8220;Client does not support authentication protocol requested by server; consider upgrading MySQL client&#8221;<a class="headerlink" href="#a-i-cannot-connect-to-the-mysql-server-it-always-returns-the-error-message-client-does-not-support-authentication-protocol-requested-by-server-consider-upgrading-mysql-client" title="Permalink to this headline"></a></h3>
197 <p>You tried to access MySQL with an old MySQL client library. The
198 version of your MySQL client library can be checked in your phpinfo()
199 output. In general, it should have at least the same minor version as
200 your server - as mentioned in <a class="reference internal" href="#faq1-17"><em>1.17 Which Database versions does phpMyAdmin support?</em></a>. This problem is
201 generally caused by using MySQL version 4.1 or newer. MySQL changed
202 the authentication hash and your PHP is trying to use the old method.
203 The proper solution is to use the <a class="reference external" href="http://www.php.net/mysqli">mysqli extension</a> with the proper client library to match
204 your MySQL installation. More
205 information (and several workarounds) are located in the <a class="reference external" href="http://dev.mysql.com/doc/mysql/en/old-client.html">MySQL
206 Documentation</a>.</p>
207 </div>
208 <div class="section" id="faq1-18">
209 <span id="id4"></span><h3>1.18 (withdrawn).<a class="headerlink" href="#faq1-18" title="Permalink to this headline"></a></h3>
210 </div>
211 <div class="section" id="i-can-t-run-the-display-relations-feature-because-the-script-seems-not-to-know-the-font-face-i-m-using">
212 <span id="faq1-19"></span><h3>1.19 I can&#8217;t run the &#8220;display relations&#8221; feature because the script seems not to know the font face I&#8217;m using!<a class="headerlink" href="#i-can-t-run-the-display-relations-feature-because-the-script-seems-not-to-know-the-font-face-i-m-using" title="Permalink to this headline"></a></h3>
213 <p>The <a class="reference internal" href="glossary.html#term-tcpdf"><em class="xref std std-term">TCPDF</em></a> library we&#8217;re using for this feature requires some special
214 files to use font faces. Please refers to the <a class="reference external" href="http://www.tcpdf.org/">TCPDF manual</a> to build these files.</p>
215 </div>
216 <div class="section" id="i-receive-an-error-about-missing-mysqli-and-mysql-extensions">
217 <span id="faqmysql"></span><h3>1.20 I receive an error about missing mysqli and mysql extensions.<a class="headerlink" href="#i-receive-an-error-about-missing-mysqli-and-mysql-extensions" title="Permalink to this headline"></a></h3>
218 <p>To connect to a MySQL server, PHP needs a set of MySQL functions
219 called &#8220;MySQL extension&#8221;. This extension may be part of the PHP
220 distribution (compiled-in), otherwise it needs to be loaded
221 dynamically. Its name is probably <em>mysqli.so</em> or <em>php_mysqli.dll</em>.
222 phpMyAdmin tried to load the extension but failed. Usually, the
223 problem is solved by installing a software package called &#8220;PHP-MySQL&#8221;
224 or something similar.</p>
225 <p>There are currently two interfaces PHP provides as MySQL extensions - <tt class="docutils literal"><span class="pre">mysql</span></tt>
226 and <tt class="docutils literal"><span class="pre">mysqli</span></tt>. The <tt class="docutils literal"><span class="pre">mysqli</span></tt> is tried first, because it&#8217;s the best one.</p>
227 </div>
228 <div class="section" id="i-am-running-the-cgi-version-of-php-under-unix-and-i-cannot-log-in-using-cookie-auth">
229 <span id="faq1-21"></span><h3>1.21 I am running the CGI version of PHP under Unix, and I cannot log in using cookie auth.<a class="headerlink" href="#i-am-running-the-cgi-version-of-php-under-unix-and-i-cannot-log-in-using-cookie-auth" title="Permalink to this headline"></a></h3>
230 <p>In <tt class="file docutils literal"><span class="pre">php.ini</span></tt>, set <tt class="docutils literal"><span class="pre">mysql.max_links</span></tt> higher than 1.</p>
231 </div>
232 <div class="section" id="i-don-t-see-the-location-of-text-file-field-so-i-cannot-upload">
233 <span id="faq1-22"></span><h3>1.22 I don&#8217;t see the &#8220;Location of text file&#8221; field, so I cannot upload.<a class="headerlink" href="#i-don-t-see-the-location-of-text-file-field-so-i-cannot-upload" title="Permalink to this headline"></a></h3>
234 <p>This is most likely because in <tt class="file docutils literal"><span class="pre">php.ini</span></tt>, your <tt class="docutils literal"><span class="pre">file_uploads</span></tt>
235 parameter is not set to &#8220;on&#8221;.</p>
236 </div>
237 <div class="section" id="i-m-running-mysql-on-a-win32-machine-each-time-i-create-a-new-table-the-table-and-column-names-are-changed-to-lowercase">
238 <span id="faq1-23"></span><h3>1.23 I&#8217;m running MySQL on a Win32 machine. Each time I create a new table the table and column names are changed to lowercase!<a class="headerlink" href="#i-m-running-mysql-on-a-win32-machine-each-time-i-create-a-new-table-the-table-and-column-names-are-changed-to-lowercase" title="Permalink to this headline"></a></h3>
239 <p>This happens because the MySQL directive <tt class="docutils literal"><span class="pre">lower_case_table_names</span></tt>
240 defaults to 1 (<tt class="docutils literal"><span class="pre">ON</span></tt>) in the Win32 version of MySQL. You can change
241 this behavior by simply changing the directive to 0 (<tt class="docutils literal"><span class="pre">OFF</span></tt>): Just
242 edit your <tt class="docutils literal"><span class="pre">my.ini</span></tt> file that should be located in your Windows
243 directory and add the following line to the group [mysqld]:</p>
244 <div class="highlight-ini"><div class="highlight"><pre><span class="na">set-variable</span> <span class="o">=</span> <span class="s">lower_case_table_names=0</span>
245 </pre></div>
246 </div>
247 <p>Next, save the file and restart the MySQL service. You can always
248 check the value of this directive using the query</p>
249 <div class="highlight-mysql"><div class="highlight"><pre><span class="k">SHOW</span> <span class="n">VARIABLES</span> <span class="k">LIKE</span> <span class="s1">&#39;lower_case_table_names&#39;</span><span class="p">;</span>
250 </pre></div>
251 </div>
252 </div>
253 <div class="section" id="faq1-24">
254 <span id="id5"></span><h3>1.24 (withdrawn).<a class="headerlink" href="#faq1-24" title="Permalink to this headline"></a></h3>
255 </div>
256 <div class="section" id="i-am-running-apache-with-mod-gzip-1-3-26-1a-on-windows-xp-and-i-get-problems-such-as-undefined-variables-when-i-run-a-sql-query">
257 <span id="faq1-25"></span><h3>1.25 I am running Apache with mod_gzip-1.3.26.1a on Windows XP, and I get problems, such as undefined variables when I run a SQL query.<a class="headerlink" href="#i-am-running-apache-with-mod-gzip-1-3-26-1a-on-windows-xp-and-i-get-problems-such-as-undefined-variables-when-i-run-a-sql-query" title="Permalink to this headline"></a></h3>
258 <p>A tip from Jose Fandos: put a comment on the following two lines in
259 httpd.conf, like this:</p>
260 <div class="highlight-apache"><div class="highlight"><pre><span class="c"># mod_gzip_item_include file \.php$</span>
261 <span class="c"># mod_gzip_item_include mime &quot;application/x-httpd-php.*&quot;</span>
262 </pre></div>
263 </div>
264 <p>as this version of mod_gzip on Apache (Windows) has problems handling
265 PHP scripts. Of course you have to restart Apache.</p>
266 </div>
267 <div class="section" id="i-just-installed-phpmyadmin-in-my-document-root-of-iis-but-i-get-the-error-no-input-file-specified-when-trying-to-run-phpmyadmin">
268 <span id="faq1-26"></span><h3>1.26 I just installed phpMyAdmin in my document root of IIS but I get the error &#8220;No input file specified&#8221; when trying to run phpMyAdmin.<a class="headerlink" href="#i-just-installed-phpmyadmin-in-my-document-root-of-iis-but-i-get-the-error-no-input-file-specified-when-trying-to-run-phpmyadmin" title="Permalink to this headline"></a></h3>
269 <p>This is a permission problem. Right-click on the phpmyadmin folder and
270 choose properties. Under the tab Security, click on &#8220;Add&#8221; and select
271 the user &#8220;IUSR_machine&#8221; from the list. Now set his permissions and it
272 should work.</p>
273 </div>
274 <div class="section" id="i-get-empty-page-when-i-want-to-view-huge-page-eg-db-structure-php-with-plenty-of-tables">
275 <span id="faq1-27"></span><h3>1.27 I get empty page when I want to view huge page (eg. db_structure.php with plenty of tables).<a class="headerlink" href="#i-get-empty-page-when-i-want-to-view-huge-page-eg-db-structure-php-with-plenty-of-tables" title="Permalink to this headline"></a></h3>
276 <p>This was caused by a <a class="reference external" href="http://bugs.php.net/21079">PHP bug</a> that occur when
277 GZIP output buffering is enabled. If you turn off it (by
278 <span class="target" id="index-3"></span><a class="reference internal" href="config.html#cfg_OBGzip"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['OBGzip']</span></tt></a> in <tt class="file docutils literal"><span class="pre">config.inc.php</span></tt>), it should work.
279 This bug will has been fixed in PHP 5.0.0.</p>
280 </div>
281 <div class="section" id="my-mysql-server-sometimes-refuses-queries-and-returns-the-message-errorcode-13-what-does-this-mean">
282 <span id="faq1-28"></span><h3>1.28 My MySQL server sometimes refuses queries and returns the message &#8216;Errorcode: 13&#8217;. What does this mean?<a class="headerlink" href="#my-mysql-server-sometimes-refuses-queries-and-returns-the-message-errorcode-13-what-does-this-mean" title="Permalink to this headline"></a></h3>
283 <p>This can happen due to a MySQL bug when having database / table names
284 with upper case characters although <tt class="docutils literal"><span class="pre">lower_case_table_names</span></tt> is
285 set to 1. To fix this, turn off this directive, convert all database
286 and table names to lower case and turn it on again. Alternatively,
287 there&#8217;s a bug-fix available starting with MySQL&nbsp;3.23.56 /
288 4.0.11-gamma.</p>
289 </div>
290 <div class="section" id="when-i-create-a-table-or-modify-a-column-i-get-an-error-and-the-columns-are-duplicated">
291 <span id="faq1-29"></span><h3>1.29 When I create a table or modify a column, I get an error and the columns are duplicated.<a class="headerlink" href="#when-i-create-a-table-or-modify-a-column-i-get-an-error-and-the-columns-are-duplicated" title="Permalink to this headline"></a></h3>
292 <p>It is possible to configure Apache in such a way that PHP has problems
293 interpreting .php files.</p>
294 <p>The problems occur when two different (and conflicting) set of
295 directives are used:</p>
296 <div class="highlight-apache"><div class="highlight"><pre><span class="nb">SetOutputFilter</span> PHP
297 <span class="nb">SetInputFilter</span> PHP
298 </pre></div>
299 </div>
300 <p>and</p>
301 <div class="highlight-apache"><div class="highlight"><pre><span class="nb">AddType</span> application/x-httpd-php .php
302 </pre></div>
303 </div>
304 <p>In the case we saw, one set of directives was in
305 <tt class="docutils literal"><span class="pre">/etc/httpd/conf/httpd.conf</span></tt>, while the other set was in
306 <tt class="docutils literal"><span class="pre">/etc/httpd/conf/addon-modules/php.conf</span></tt>. The recommended way is
307 with <tt class="docutils literal"><span class="pre">AddType</span></tt>, so just comment out the first set of lines and
308 restart Apache:</p>
309 <div class="highlight-apache"><div class="highlight"><pre><span class="c">#SetOutputFilter PHP</span>
310 <span class="c">#SetInputFilter PHP</span>
311 </pre></div>
312 </div>
313 </div>
314 <div class="section" id="i-get-the-error-navigation-php-missing-hash">
315 <span id="faq1-30"></span><h3>1.30 I get the error &#8220;navigation.php: Missing hash&#8221;.<a class="headerlink" href="#i-get-the-error-navigation-php-missing-hash" title="Permalink to this headline"></a></h3>
316 <p>This problem is known to happen when the server is running Turck
317 MMCache but upgrading MMCache to version 2.3.21 solves the problem.</p>
318 </div>
319 <div class="section" id="does-phpmyadmin-support-php-5">
320 <span id="faq1-31"></span><h3>1.31 Does phpMyAdmin support PHP 5?<a class="headerlink" href="#does-phpmyadmin-support-php-5" title="Permalink to this headline"></a></h3>
321 <p>Yes.</p>
322 <p>Since release 4.5, phpMyAdmin supports only PHP 5.5 and newer. Since release 4.1 phpMyAdmin supports only PHP 5.3 and newer. For PHP 5.2 you can use 4.0.x releases.</p>
323 </div>
324 <div class="section" id="can-i-use-http-authentication-with-iis">
325 <span id="faq1-32"></span><h3>1.32 Can I use HTTP authentication with IIS?<a class="headerlink" href="#can-i-use-http-authentication-with-iis" title="Permalink to this headline"></a></h3>
326 <p>Yes. This procedure was tested with phpMyAdmin 2.6.1, PHP 4.3.9 in
327 <a class="reference internal" href="glossary.html#term-isapi"><em class="xref std std-term">ISAPI</em></a> mode under <a class="reference internal" href="glossary.html#term-iis"><em class="xref std std-term">IIS</em></a> 5.1.</p>
328 <ol class="arabic simple">
329 <li>In your <tt class="file docutils literal"><span class="pre">php.ini</span></tt> file, set <tt class="docutils literal"><span class="pre">cgi.rfc2616_headers</span> <span class="pre">=</span> <span class="pre">0</span></tt></li>
330 <li>In <tt class="docutils literal"><span class="pre">Web</span> <span class="pre">Site</span> <span class="pre">Properties</span> <span class="pre">-&gt;</span> <span class="pre">File/Directory</span> <span class="pre">Security</span> <span class="pre">-&gt;</span> <span class="pre">Anonymous</span>
331 <span class="pre">Access</span></tt> dialog box, check the <tt class="docutils literal"><span class="pre">Anonymous</span> <span class="pre">access</span></tt> checkbox and
332 uncheck any other checkboxes (i.e. uncheck <tt class="docutils literal"><span class="pre">Basic</span> <span class="pre">authentication</span></tt>,
333 <tt class="docutils literal"><span class="pre">Integrated</span> <span class="pre">Windows</span> <span class="pre">authentication</span></tt>, and <tt class="docutils literal"><span class="pre">Digest</span></tt> if it&#8217;s
334 enabled.) Click <tt class="docutils literal"><span class="pre">OK</span></tt>.</li>
335 <li>In <tt class="docutils literal"><span class="pre">Custom</span> <span class="pre">Errors</span></tt>, select the range of <tt class="docutils literal"><span class="pre">401;1</span></tt> through <tt class="docutils literal"><span class="pre">401;5</span></tt>
336 and click the <tt class="docutils literal"><span class="pre">Set</span> <span class="pre">to</span> <span class="pre">Default</span></tt> button.</li>
337 </ol>
338 <div class="admonition seealso">
339 <p class="first admonition-title">See also</p>
340 <p class="last"><span class="target" id="index-4"></span><a class="rfc reference external" href="http://tools.ietf.org/html/rfc2616.html"><strong>RFC 2616</strong></a></p>
341 </div>
342 </div>
343 <div class="section" id="faq1-33">
344 <span id="id6"></span><h3>1.33 (withdrawn).<a class="headerlink" href="#faq1-33" title="Permalink to this headline"></a></h3>
345 </div>
346 <div class="section" id="can-i-access-directly-to-database-or-table-pages">
347 <span id="faq1-34"></span><h3>1.34 Can I access directly to database or table pages?<a class="headerlink" href="#can-i-access-directly-to-database-or-table-pages" title="Permalink to this headline"></a></h3>
348 <p>Yes. Out of the box, you can use <a class="reference internal" href="glossary.html#term-url"><em class="xref std std-term">URL</em></a> like
349 <a class="reference external" href="http://server/phpMyAdmin/index.php?server=X&amp;db=database&amp;table=table&amp;target=script">http://server/phpMyAdmin/index.php?server=X&amp;db=database&amp;table=table&amp;target=script</a>.
350 For <tt class="docutils literal"><span class="pre">server</span></tt> you use the server number
351 which refers to the order of the server paragraph in
352 <tt class="file docutils literal"><span class="pre">config.inc.php</span></tt>. Table and script parts are optional. If you want
353 <a class="reference external" href="http://server/phpMyAdmin/database[/table][/script">http://server/phpMyAdmin/database[/table][/script</a>] <a class="reference internal" href="glossary.html#term-url"><em class="xref std std-term">URL</em></a>, you need to do some configuration. Following
354 lines apply only for <a class="reference external" href="http://httpd.apache.org">Apache</a> web server.
355 First make sure, that you have enabled some features within global
356 configuration. You need <tt class="docutils literal"><span class="pre">Options</span> <span class="pre">FollowSymLinks</span></tt> and <tt class="docutils literal"><span class="pre">AllowOverride</span>
357 <span class="pre">FileInfo</span></tt> enabled for directory where phpMyAdmin is installed and you
358 need mod_rewrite to be enabled. Then you just need to create
359 following <a class="reference internal" href="glossary.html#term-htaccess"><em class="xref std std-term">.htaccess</em></a> file in root folder of phpMyAdmin installation (don&#8217;t
360 forget to change directory name inside of it):</p>
361 <div class="highlight-apache"><div class="highlight"><pre><span class="nb">RewriteEngine</span> <span class="k">On</span>
362 <span class="nb">RewriteBase</span> <span class="sx">/path_to_phpMyAdmin</span>
363 <span class="nb">RewriteRule</span> ^([a-zA-Z0-9_]+)/([a-zA-Z0-9_]+)/([a-z_]+\.php)$ index.php?db=$1&amp;table=$2&amp;target=$3 [R]
364 <span class="nb">RewriteRule</span> ^([a-zA-Z0-9_]+)/([a-z_]+\.php)$ index.php?db=$1&amp;target=$2 [R]
365 <span class="nb">RewriteRule</span> ^([a-zA-Z0-9_]+)/([a-zA-Z0-9_]+)$ index.php?db=$1&amp;table=$2 [R]
366 <span class="nb">RewriteRule</span> ^([a-zA-Z0-9_]+)$ index.php?db=$1 [R]
367 </pre></div>
368 </div>
369 </div>
370 <div class="section" id="can-i-use-http-authentication-with-apache-cgi">
371 <span id="faq1-35"></span><h3>1.35 Can I use HTTP authentication with Apache CGI?<a class="headerlink" href="#can-i-use-http-authentication-with-apache-cgi" title="Permalink to this headline"></a></h3>
372 <p>Yes. However you need to pass authentication variable to <a class="reference internal" href="glossary.html#term-cgi"><em class="xref std std-term">CGI</em></a> using
373 following rewrite rule:</p>
374 <div class="highlight-apache"><div class="highlight"><pre><span class="nb">RewriteEngine</span> <span class="k">On</span>
375 <span class="nb">RewriteRule</span> .* - [E=REMOTE_USER:%{HTTP:Authorization},L]
376 </pre></div>
377 </div>
378 </div>
379 <div class="section" id="i-get-an-error-500-internal-server-error">
380 <span id="faq1-36"></span><h3>1.36 I get an error &#8220;500 Internal Server Error&#8221;.<a class="headerlink" href="#i-get-an-error-500-internal-server-error" title="Permalink to this headline"></a></h3>
381 <p>There can be many explanations to this and a look at your server&#8217;s
382 error log file might give a clue.</p>
383 </div>
384 <div class="section" id="i-run-phpmyadmin-on-cluster-of-different-machines-and-password-encryption-in-cookie-auth-doesn-t-work">
385 <span id="faq1-37"></span><h3>1.37 I run phpMyAdmin on cluster of different machines and password encryption in cookie auth doesn&#8217;t work.<a class="headerlink" href="#i-run-phpmyadmin-on-cluster-of-different-machines-and-password-encryption-in-cookie-auth-doesn-t-work" title="Permalink to this headline"></a></h3>
386 <p>If your cluster consist of different architectures, PHP code used for
387 encryption/decryption won&#8217;t work correct. This is caused by use of
388 pack/unpack functions in code. Only solution is to use mcrypt
389 extension which works fine in this case.</p>
390 </div>
391 <div class="section" id="can-i-use-phpmyadmin-on-a-server-on-which-suhosin-is-enabled">
392 <span id="faq1-38"></span><h3>1.38 Can I use phpMyAdmin on a server on which Suhosin is enabled?<a class="headerlink" href="#can-i-use-phpmyadmin-on-a-server-on-which-suhosin-is-enabled" title="Permalink to this headline"></a></h3>
393 <p>Yes but the default configuration values of Suhosin are known to cause
394 problems with some operations, for example editing a table with many
395 columns and no primary key or with textual primary key.</p>
396 <p>Suhosin configuration might lead to malfunction in some cases and it
397 can not be fully avoided as phpMyAdmin is kind of application which
398 needs to transfer big amounts of columns in single HTTP request, what
399 is something what Suhosin tries to prevent. Generally all
400 <tt class="docutils literal"><span class="pre">suhosin.request.*</span></tt>, <tt class="docutils literal"><span class="pre">suhosin.post.*</span></tt> and <tt class="docutils literal"><span class="pre">suhosin.get.*</span></tt>
401 directives can have negative effect on phpMyAdmin usability. You can
402 always find in your error logs which limit did cause dropping of
403 variable, so you can diagnose the problem and adjust matching
404 configuration variable.</p>
405 <p>The default values for most Suhosin configuration options will work in
406 most scenarios, however you might want to adjust at least following
407 parameters:</p>
408 <ul class="simple">
409 <li><a class="reference external" href="http://www.hardened-php.net/suhosin/configuration.html#suhosin.request.max_vars">suhosin.request.max_vars</a> should
410 be increased (eg. 2048)</li>
411 <li><a class="reference external" href="http://www.hardened-php.net/suhosin/configuration.html#suhosin.post.max_vars">suhosin.post.max_vars</a> should be
412 increased (eg. 2048)</li>
413 <li><a class="reference external" href="http://www.hardened-php.net/suhosin/configuration.html#suhosin.request.max_array_index_length">suhosin.request.max_array_index_length</a>
414 should be increased (eg. 256)</li>
415 <li><a class="reference external" href="http://www.hardened-php.net/suhosin/configuration.html#suhosin.post.max_array_index_length">suhosin.post.max_array_index_length</a>
416 should be increased (eg. 256)</li>
417 <li><a class="reference external" href="http://www.hardened-php.net/suhosin/configuration.html#suhosin.request.max_totalname_length">suhosin.request.max_totalname_length</a>
418 should be increased (eg. 8192)</li>
419 <li><a class="reference external" href="http://www.hardened-php.net/suhosin/configuration.html#suhosin.post.max_totalname_length">suhosin.post.max_totalname_length</a> should be
420 increased (eg. 8192)</li>
421 <li><a class="reference external" href="http://www.hardened-php.net/suhosin/configuration.html#suhosin.get.max_value_length">suhosin.get.max_value_length</a>
422 should be increased (eg. 1024)</li>
423 <li><a class="reference external" href="http://www.hardened-php.net/suhosin/configuration.html#suhosin.sql.bailout_on_error">suhosin.sql.bailout_on_error</a>
424 needs to be disabled (the default)</li>
425 <li><a class="reference external" href="http://www.hardened-php.net/suhosin/configuration.html#logging_configuration">suhosin.log.*</a> should not
426 include <a class="reference internal" href="glossary.html#term-sql"><em class="xref std std-term">SQL</em></a>, otherwise you get big
427 slowdown</li>
428 </ul>
429 <p>You can also disable the warning using the <span class="target" id="index-5"></span><a class="reference internal" href="config.html#cfg_SuhosinDisableWarning"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['SuhosinDisableWarning']</span></tt></a>.</p>
430 </div>
431 <div class="section" id="when-i-try-to-connect-via-https-i-can-log-in-but-then-my-connection-is-redirected-back-to-http-what-can-cause-this-behavior">
432 <span id="faq1-39"></span><h3>1.39 When I try to connect via https, I can log in, but then my connection is redirected back to http. What can cause this behavior?<a class="headerlink" href="#when-i-try-to-connect-via-https-i-can-log-in-but-then-my-connection-is-redirected-back-to-http-what-can-cause-this-behavior" title="Permalink to this headline"></a></h3>
433 <p>Be sure that you have enabled <tt class="docutils literal"><span class="pre">SSLOptions</span></tt> and <tt class="docutils literal"><span class="pre">StdEnvVars</span></tt> in
434 your Apache configuration.</p>
435 <div class="admonition seealso">
436 <p class="first admonition-title">See also</p>
437 <p class="last">&lt;<a class="reference external" href="http://httpd.apache.org/docs/2.0/mod/mod_ssl.html#ssloptions">http://httpd.apache.org/docs/2.0/mod/mod_ssl.html#ssloptions</a>&gt;</p>
438 </div>
439 </div>
440 <div class="section" id="when-accessing-phpmyadmin-via-an-apache-reverse-proxy-cookie-login-does-not-work">
441 <span id="faq1-40"></span><h3>1.40 When accessing phpMyAdmin via an Apache reverse proxy, cookie login does not work.<a class="headerlink" href="#when-accessing-phpmyadmin-via-an-apache-reverse-proxy-cookie-login-does-not-work" title="Permalink to this headline"></a></h3>
442 <p>To be able to use cookie auth Apache must know that it has to rewrite
443 the set-cookie headers. Example from the Apache 2.2 documentation:</p>
444 <div class="highlight-apache"><div class="highlight"><pre><span class="nb">ProxyPass</span> <span class="sx">/mirror/foo/</span> http://backend.example.com/
445 <span class="nb">ProxyPassReverse</span> <span class="sx">/mirror/foo/</span> http://backend.example.com/
446 <span class="nb">ProxyPassReverseCookieDomain</span> backend.example.com public.example.com
447 <span class="nb">ProxyPassReverseCookiePath</span> / <span class="sx">/mirror/foo/</span>
448 </pre></div>
449 </div>
450 <p>Note: if the backend url looks like <a class="reference external" href="http://host/~user/phpmyadmin">http://host/~user/phpmyadmin</a>, the
451 tilde (~) must be url encoded as %7E in the ProxyPassReverse* lines.
452 This is not specific to phpmyadmin, it&#8217;s just the behavior of Apache.</p>
453 <div class="highlight-apache"><div class="highlight"><pre><span class="nb">ProxyPass</span> <span class="sx">/mirror/foo/</span> http://backend.example.com/~user/phpmyadmin
454 <span class="nb">ProxyPassReverse</span> <span class="sx">/mirror/foo/</span> http://backend.example.com/%7Euser/phpmyadmin
455 <span class="nb">ProxyPassReverseCookiePath</span> /%7Euser/phpmyadmin <span class="sx">/mirror/foo</span>
456 </pre></div>
457 </div>
458 <div class="admonition seealso">
459 <p class="first admonition-title">See also</p>
460 <p class="last">&lt;<a class="reference external" href="http://httpd.apache.org/docs/2.2/mod/mod_proxy.html">http://httpd.apache.org/docs/2.2/mod/mod_proxy.html</a>&gt;</p>
461 </div>
462 </div>
463 <div class="section" id="when-i-view-a-database-and-ask-to-see-its-privileges-i-get-an-error-about-an-unknown-column">
464 <span id="faq1-41"></span><h3>1.41 When I view a database and ask to see its privileges, I get an error about an unknown column.<a class="headerlink" href="#when-i-view-a-database-and-ask-to-see-its-privileges-i-get-an-error-about-an-unknown-column" title="Permalink to this headline"></a></h3>
465 <p>The MySQL server&#8217;s privilege tables are not up to date, you need to
466 run the <strong class="command">mysql_upgrade</strong> command on the server.</p>
467 </div>
468 <div class="section" id="how-can-i-prevent-robots-from-accessing-phpmyadmin">
469 <span id="faq1-42"></span><h3>1.42 How can I prevent robots from accessing phpMyAdmin?<a class="headerlink" href="#how-can-i-prevent-robots-from-accessing-phpmyadmin" title="Permalink to this headline"></a></h3>
470 <p>You can add various rules to <a class="reference internal" href="glossary.html#term-htaccess"><em class="xref std std-term">.htaccess</em></a> to filter access based on user agent
471 field. This is quite easy to circumvent, but could prevent at least
472 some robots accessing your installation.</p>
473 <div class="highlight-apache"><div class="highlight"><pre><span class="nb">RewriteEngine</span> <span class="k">on</span>
475 <span class="c"># Allow only GET and POST verbs</span>
476 <span class="nb">RewriteCond</span> %{REQUEST_METHOD} !^(GET|POST)$ [NC,OR]
478 <span class="c"># Ban Typical Vulnerability Scanners and others</span>
479 <span class="c"># Kick out Script Kiddies</span>
480 <span class="nb">RewriteCond</span> %{HTTP_USER_AGENT} ^(java|curl|wget).* [NC,OR]
481 <span class="nb">RewriteCond</span> %{HTTP_USER_AGENT} ^.*(libwww-perl|curl|wget|python|nikto|wkito|pikto|scan|acunetix).* [NC,OR]
482 <span class="nb">RewriteCond</span> %{HTTP_USER_AGENT} ^.*(winhttp|HTTrack|clshttp|archiver|loader|email|harvest|extract|grab|miner).* [NC,OR]
484 <span class="c"># Ban Search Engines, Crawlers to your administrative panel</span>
485 <span class="c"># No reasons to access from bots</span>
486 <span class="c"># Ultimately Better than the useless robots.txt</span>
487 <span class="c"># Did google respect robots.txt?</span>
488 <span class="c"># Try google: intitle:phpMyAdmin intext:&quot;Welcome to phpMyAdmin *.*.*&quot; intext:&quot;Log in&quot; -wiki -forum -forums -questions intext:&quot;Cookies must be enabled&quot;</span>
489 <span class="nb">RewriteCond</span> %{HTTP_USER_AGENT} ^.*(AdsBot-Google|ia_archiver|Scooter|Ask.Jeeves|Baiduspider|Exabot|FAST.Enterprise.Crawler|FAST-WebCrawler|www\.neomo\.de|Gigabot|Mediapartners-Google|Google.Desktop|Feedfetcher-Google|Googlebot|heise-IT-Markt-Crawler|heritrix|ibm.com\cs/crawler|ICCrawler|ichiro|MJ12bot|MetagerBot|msnbot-NewsBlogs|msnbot|msnbot-media|NG-Search|lucene.apache.org|NutchCVS|OmniExplorer_Bot|online.link.validator|psbot0|Seekbot|Sensis.Web.Crawler|SEO.search.Crawler|Seoma.\[SEO.Crawler\]|SEOsearch|Snappy|www.urltrends.com|www.tkl.iis.u-tokyo.ac.jp/~crawler|SynooBot|crawleradmin.t-info@telekom.de|TurnitinBot|voyager|W3.SiteSearch.Crawler|W3C-checklink|W3C_Validator|www.WISEnutbot.com|yacybot|Yahoo-MMCrawler|Yahoo\!.DE.Slurp|Yahoo\!.Slurp|YahooSeeker).* [NC]
490 <span class="nb">RewriteRule</span> .* - [F]
491 </pre></div>
492 </div>
493 </div>
494 <div class="section" id="why-can-t-i-display-the-structure-of-my-table-containing-hundreds-of-columns">
495 <span id="faq1-43"></span><h3>1.43 Why can&#8217;t I display the structure of my table containing hundreds of columns?<a class="headerlink" href="#why-can-t-i-display-the-structure-of-my-table-containing-hundreds-of-columns" title="Permalink to this headline"></a></h3>
496 <p>Because your PHP&#8217;s <tt class="docutils literal"><span class="pre">memory_limit</span></tt> is too low; adjust it in <tt class="file docutils literal"><span class="pre">php.ini</span></tt>.</p>
497 </div>
498 </div>
499 <div class="section" id="configuration">
500 <span id="faqconfig"></span><h2>Configuration<a class="headerlink" href="#configuration" title="Permalink to this headline"></a></h2>
501 <div class="section" id="the-error-message-warning-cannot-add-header-information-headers-already-sent-by-is-displayed-what-s-the-problem">
502 <span id="faq2-1"></span><h3>2.1 The error message &#8220;Warning: Cannot add header information - headers already sent by ...&#8221; is displayed, what&#8217;s the problem?<a class="headerlink" href="#the-error-message-warning-cannot-add-header-information-headers-already-sent-by-is-displayed-what-s-the-problem" title="Permalink to this headline"></a></h3>
503 <p>Edit your <tt class="file docutils literal"><span class="pre">config.inc.php</span></tt> file and ensure there is nothing (I.E. no
504 blank lines, no spaces, no characters...) neither before the <tt class="docutils literal"><span class="pre">&lt;?php</span></tt> tag at
505 the beginning, neither after the <tt class="docutils literal"><span class="pre">?&gt;</span></tt> tag at the end. We also got a report
506 from a user under <a class="reference internal" href="glossary.html#term-iis"><em class="xref std std-term">IIS</em></a>, that used a zipped distribution kit: the file
507 <tt class="file docutils literal"><span class="pre">libraries/Config.class.php</span></tt> contained an end-of-line character (hex 0A)
508 at the end; removing this character cleared his errors.</p>
509 </div>
510 <div class="section" id="phpmyadmin-can-t-connect-to-mysql-what-s-wrong">
511 <span id="faq2-2"></span><h3>2.2 phpMyAdmin can&#8217;t connect to MySQL. What&#8217;s wrong?<a class="headerlink" href="#phpmyadmin-can-t-connect-to-mysql-what-s-wrong" title="Permalink to this headline"></a></h3>
512 <p>Either there is an error with your PHP setup or your username/password
513 is wrong. Try to make a small script which uses mysql_connect and see
514 if it works. If it doesn&#8217;t, it may be you haven&#8217;t even compiled MySQL
515 support into PHP.</p>
516 </div>
517 <div class="section" id="the-error-message-warning-mysql-connection-failed-can-t-connect-to-local-mysql-server-through-socket-tmp-mysql-sock-111-is-displayed-what-can-i-do">
518 <span id="faq2-3"></span><h3>2.3 The error message &#8220;Warning: MySQL Connection Failed: Can&#8217;t connect to local MySQL server through socket &#8216;/tmp/mysql.sock&#8217; (111) ...&#8221; is displayed. What can I do?<a class="headerlink" href="#the-error-message-warning-mysql-connection-failed-can-t-connect-to-local-mysql-server-through-socket-tmp-mysql-sock-111-is-displayed-what-can-i-do" title="Permalink to this headline"></a></h3>
519 <p>For RedHat users, Harald Legner suggests this on the mailing list:</p>
520 <p>On my RedHat-Box the socket of MySQL is <em>/var/lib/mysql/mysql.sock</em>.
521 In your <tt class="file docutils literal"><span class="pre">php.ini</span></tt> you will find a line</p>
522 <div class="highlight-ini"><div class="highlight"><pre><span class="na">mysql.default_socket</span> <span class="o">=</span> <span class="s">/tmp/mysql.sock</span>
523 </pre></div>
524 </div>
525 <p>change it to</p>
526 <div class="highlight-ini"><div class="highlight"><pre><span class="na">mysql.default_socket</span> <span class="o">=</span> <span class="s">/var/lib/mysql/mysql.sock</span>
527 </pre></div>
528 </div>
529 <p>Then restart apache and it will work.</p>
530 <p>Here is a fix suggested by Brad Ummer:</p>
531 <ul class="simple">
532 <li>First, you need to determine what socket is being used by MySQL. To do
533 this, telnet to your server and go to the MySQL bin directory. In this
534 directory there should be a file named <em>mysqladmin</em>. Type
535 <tt class="docutils literal"><span class="pre">./mysqladmin</span> <span class="pre">variables</span></tt>, and this should give you a bunch of info
536 about your MySQL server, including the socket (<em>/tmp/mysql.sock</em>, for
537 example).</li>
538 <li>Then, you need to tell PHP to use this socket. To do this in
539 phpMyAdmin, you need to complete the socket information in the
540 <tt class="file docutils literal"><span class="pre">config.inc.php</span></tt>. For example:
541 <span class="target" id="index-6"></span><a class="reference internal" href="config.html#cfg_Servers_socket"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['Servers'][$i]['socket']</span></tt></a> Please also make sure that
542 the permissions of this file allow to be readable by your webserver (i.e.
543 &#8216;0755&#8217;).</li>
544 </ul>
545 <p>Have also a look at the <a class="reference external" href="http://dev.mysql.com/doc/en/can-not-connect-to-server.html">corresponding section of the MySQL
546 documentation</a>.</p>
547 </div>
548 <div class="section" id="nothing-is-displayed-by-my-browser-when-i-try-to-run-phpmyadmin-what-can-i-do">
549 <span id="faq2-4"></span><h3>2.4 Nothing is displayed by my browser when I try to run phpMyAdmin, what can I do?<a class="headerlink" href="#nothing-is-displayed-by-my-browser-when-i-try-to-run-phpmyadmin-what-can-i-do" title="Permalink to this headline"></a></h3>
550 <p>Try to set the <span class="target" id="index-7"></span><a class="reference internal" href="config.html#cfg_OBGzip"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['OBGzip']</span></tt></a> directive to <tt class="docutils literal"><span class="pre">false</span></tt> in the phpMyAdmin configuration
551 file. It helps sometime. Also have a look at your PHP version number:
552 if it contains &#8220;b&#8221; or &#8220;alpha&#8221; it means you&#8217;re running a testing
553 version of PHP. That&#8217;s not a so good idea, please upgrade to a plain
554 revision.</p>
555 </div>
556 <div class="section" id="each-time-i-want-to-insert-or-change-a-row-or-drop-a-database-or-a-table-an-error-404-page-not-found-is-displayed-or-with-http-or-cookie-authentication-i-m-asked-to-log-in-again-what-s-wrong">
557 <span id="faq2-5"></span><h3>2.5 Each time I want to insert or change a row or drop a database or a table, an error 404 (page not found) is displayed or, with HTTP or cookie authentication, I&#8217;m asked to log in again. What&#8217;s wrong?<a class="headerlink" href="#each-time-i-want-to-insert-or-change-a-row-or-drop-a-database-or-a-table-an-error-404-page-not-found-is-displayed-or-with-http-or-cookie-authentication-i-m-asked-to-log-in-again-what-s-wrong" title="Permalink to this headline"></a></h3>
558 <p>Check the value you set for the <span class="target" id="index-8"></span><a class="reference internal" href="config.html#cfg_PmaAbsoluteUri"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['PmaAbsoluteUri']</span></tt></a> directive in the phpMyAdmin
559 configuration file.</p>
560 </div>
561 <div class="section" id="i-get-an-access-denied-for-user-root-localhost-using-password-yes-error-when-trying-to-access-a-mysql-server-on-a-host-which-is-port-forwarded-for-my-localhost">
562 <span id="faq2-6"></span><h3>2.6 I get an &#8220;Access denied for user: <a class="reference external" href="mailto:'root&#37;&#52;&#48;localhost">'root<span>&#64;</span>localhost</a>&#8216; (Using password: YES)&#8221;-error when trying to access a MySQL-Server on a host which is port-forwarded for my localhost.<a class="headerlink" href="#i-get-an-access-denied-for-user-root-localhost-using-password-yes-error-when-trying-to-access-a-mysql-server-on-a-host-which-is-port-forwarded-for-my-localhost" title="Permalink to this headline"></a></h3>
563 <p>When you are using a port on your localhost, which you redirect via
564 port-forwarding to another host, MySQL is not resolving the localhost
565 as expected. Erik Wasser explains: The solution is: if your host is
566 &#8220;localhost&#8221; MySQL (the command line tool <strong class="command">mysql</strong> as well) always
567 tries to use the socket connection for speeding up things. And that
568 doesn&#8217;t work in this configuration with port forwarding. If you enter
569 &#8220;127.0.0.1&#8221; as hostname, everything is right and MySQL uses the
570 <a class="reference internal" href="glossary.html#term-tcp"><em class="xref std std-term">TCP</em></a> connection.</p>
571 </div>
572 <div class="section" id="using-and-creating-themes">
573 <span id="faqthemes"></span><h3>2.7 Using and creating themes<a class="headerlink" href="#using-and-creating-themes" title="Permalink to this headline"></a></h3>
574 <p>Themes are configured with <span class="target" id="index-9"></span><a class="reference internal" href="config.html#cfg_ThemePath"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['ThemePath']</span></tt></a>,
575 <span class="target" id="index-10"></span><a class="reference internal" href="config.html#cfg_ThemeManager"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['ThemeManager']</span></tt></a> and <span class="target" id="index-11"></span><a class="reference internal" href="config.html#cfg_ThemeDefault"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['ThemeDefault']</span></tt></a>.
576 Under <span class="target" id="index-12"></span><a class="reference internal" href="config.html#cfg_ThemePath"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['ThemePath']</span></tt></a>, you should not delete the
577 directory <tt class="docutils literal"><span class="pre">pmahomme</span></tt> or its underlying structure, because this is the
578 system theme used by phpMyAdmin. <tt class="docutils literal"><span class="pre">pmahomme</span></tt> contains all images and
579 styles, for backwards compatibility and for all themes that would not
580 include images or css-files. If <span class="target" id="index-13"></span><a class="reference internal" href="config.html#cfg_ThemeManager"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['ThemeManager']</span></tt></a>
581 is enabled, you can select your favorite theme on the main page. Your selected
582 theme will be stored in a cookie.</p>
583 <p>To create a theme:</p>
584 <ul class="simple">
585 <li>make a new subdirectory (for example &#8220;your_theme_name&#8221;) under <span class="target" id="index-14"></span><a class="reference internal" href="config.html#cfg_ThemePath"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['ThemePath']</span></tt></a> (by
586 default <tt class="docutils literal"><span class="pre">themes</span></tt>)</li>
587 <li>copy the files and directories from <tt class="docutils literal"><span class="pre">pmahomme</span></tt> to &#8220;your_theme_name&#8221;</li>
588 <li>edit the css-files in &#8220;your_theme_name/css&#8221;</li>
589 <li>put your new images in &#8220;your_theme_name/img&#8221;</li>
590 <li>edit <tt class="file docutils literal"><span class="pre">layout.inc.php</span></tt> in &#8220;your_theme_name&#8221;</li>
591 <li>edit <tt class="file docutils literal"><span class="pre">info.inc.php</span></tt> in &#8220;your_theme_name&#8221; to contain your chosen
592 theme name, that will be visible in user interface</li>
593 <li>make a new screenshot of your theme and save it under
594 &#8220;your_theme_name/screen.png&#8221;</li>
595 </ul>
596 <p>In theme directory there is file <tt class="file docutils literal"><span class="pre">info.inc.php</span></tt> which contains theme
597 verbose name, theme generation and theme version. These versions and
598 generations are enumerated from 1 and do not have any direct
599 dependence on phpMyAdmin version. Themes within same generation should
600 be backwards compatible - theme with version 2 should work in
601 phpMyAdmin requiring version 1. Themes with different generation are
602 incompatible.</p>
603 <p>If you do not want to use your own symbols and buttons, remove the
604 directory &#8220;img&#8221; in &#8220;your_theme_name&#8221;. phpMyAdmin will use the
605 default icons and buttons (from the system-theme <tt class="docutils literal"><span class="pre">pmahomme</span></tt>).</p>
606 </div>
607 <div class="section" id="i-get-missing-parameters-errors-what-can-i-do">
608 <span id="faqmissingparameters"></span><h3>2.8 I get &#8220;Missing parameters&#8221; errors, what can I do?<a class="headerlink" href="#i-get-missing-parameters-errors-what-can-i-do" title="Permalink to this headline"></a></h3>
609 <p>Here are a few points to check:</p>
610 <ul class="simple">
611 <li>In <tt class="file docutils literal"><span class="pre">config.inc.php</span></tt>, try to leave the <span class="target" id="index-15"></span><a class="reference internal" href="config.html#cfg_PmaAbsoluteUri"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['PmaAbsoluteUri']</span></tt></a> directive empty. See also
612 <a class="reference internal" href="#faq4-7"><em>4.7 Authentication window is displayed more than once, why?</em></a>.</li>
613 <li>Maybe you have a broken PHP installation or you need to upgrade your
614 Zend Optimizer. See &lt;<a class="reference external" href="http://bugs.php.net/bug.php?id=31134">http://bugs.php.net/bug.php?id=31134</a>&gt;.</li>
615 <li>If you are using Hardened PHP with the ini directive
616 <tt class="docutils literal"><span class="pre">varfilter.max_request_variables</span></tt> set to the default (200) or
617 another low value, you could get this error if your table has a high
618 number of columns. Adjust this setting accordingly. (Thanks to Klaus
619 Dorninger for the hint).</li>
620 <li>In the <tt class="file docutils literal"><span class="pre">php.ini</span></tt> directive <tt class="docutils literal"><span class="pre">arg_separator.input</span></tt>, a value of &#8221;;&#8221;
621 will cause this error. Replace it with &#8220;&amp;;&#8221;.</li>
622 <li>If you are using <a class="reference external" href="http://www.hardened-php.net/">Hardened-PHP</a>, you
623 might want to increase <a class="reference external" href="http://www.hardened-php.net/hphp/troubleshooting.html">request limits</a>.</li>
624 <li>The directory specified in the <tt class="file docutils literal"><span class="pre">php.ini</span></tt> directive
625 <tt class="docutils literal"><span class="pre">session.save_path</span></tt> does not exist or is read-only.</li>
626 </ul>
627 </div>
628 <div class="section" id="seeing-an-upload-progress-bar">
629 <span id="faq2-9"></span><h3>2.9 Seeing an upload progress bar<a class="headerlink" href="#seeing-an-upload-progress-bar" title="Permalink to this headline"></a></h3>
630 <p>To be able to see a progress bar during your uploads, your server must
631 have the <a class="reference external" href="http://pecl.php.net/package/APC">APC</a> extension, the
632 <a class="reference external" href="http://pecl.php.net/package/uploadprogress">uploadprogress</a> one, or
633 you must be running PHP 5.4.0 or higher. Moreover, the JSON extension
634 has to be enabled in your PHP.</p>
635 <p>If using APC, you must set <tt class="docutils literal"><span class="pre">apc.rfc1867</span></tt> to <tt class="docutils literal"><span class="pre">on</span></tt> in your <tt class="file docutils literal"><span class="pre">php.ini</span></tt>.</p>
636 <p>If using PHP 5.4.0 or higher, you must set
637 <tt class="docutils literal"><span class="pre">session.upload_progress.enabled</span></tt> to <tt class="docutils literal"><span class="pre">1</span></tt> in your <tt class="file docutils literal"><span class="pre">php.ini</span></tt>. However,
638 starting from phpMyAdmin version 4.0.4, session-based upload progress has
639 been temporarily deactivated due to its problematic behavior.</p>
640 <div class="admonition seealso">
641 <p class="first admonition-title">See also</p>
642 <p class="last"><span class="target" id="index-16"></span><a class="rfc reference external" href="http://tools.ietf.org/html/rfc1867.html"><strong>RFC 1867</strong></a></p>
643 </div>
644 </div>
645 </div>
646 <div class="section" id="known-limitations">
647 <span id="faqlimitations"></span><h2>Known limitations<a class="headerlink" href="#known-limitations" title="Permalink to this headline"></a></h2>
648 <div class="section" id="when-using-http-authentication-a-user-who-logged-out-can-not-log-in-again-in-with-the-same-nick">
649 <span id="login-bug"></span><h3>3.1 When using HTTP authentication, a user who logged out can not log in again in with the same nick.<a class="headerlink" href="#when-using-http-authentication-a-user-who-logged-out-can-not-log-in-again-in-with-the-same-nick" title="Permalink to this headline"></a></h3>
650 <p>This is related to the authentication mechanism (protocol) used by
651 phpMyAdmin. To bypass this problem: just close all the opened browser
652 windows and then go back to phpMyAdmin. You should be able to log in
653 again.</p>
654 </div>
655 <div class="section" id="when-dumping-a-large-table-in-compressed-mode-i-get-a-memory-limit-error-or-a-time-limit-error">
656 <span id="faq3-2"></span><h3>3.2 When dumping a large table in compressed mode, I get a memory limit error or a time limit error.<a class="headerlink" href="#when-dumping-a-large-table-in-compressed-mode-i-get-a-memory-limit-error-or-a-time-limit-error" title="Permalink to this headline"></a></h3>
657 <p>Compressed dumps are built in memory and because of this are limited
658 to php&#8217;s memory limit. For GZip/BZip2 exports this can be overcome
659 since 2.5.4 using <span class="target" id="index-17"></span><a class="reference internal" href="config.html#cfg_CompressOnFly"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['CompressOnFly']</span></tt></a> (enabled by default).
660 Zip exports can not be handled this way, so if you need Zip files for larger
661 dump, you have to use another way.</p>
662 </div>
663 <div class="section" id="with-innodb-tables-i-lose-foreign-key-relationships-when-i-rename-a-table-or-a-column">
664 <span id="faq3-3"></span><h3>3.3 With InnoDB tables, I lose foreign key relationships when I rename a table or a column.<a class="headerlink" href="#with-innodb-tables-i-lose-foreign-key-relationships-when-i-rename-a-table-or-a-column" title="Permalink to this headline"></a></h3>
665 <p>This is an InnoDB bug, see &lt;<a class="reference external" href="http://bugs.mysql.com/bug.php?id=21704">http://bugs.mysql.com/bug.php?id=21704</a>&gt;.</p>
666 </div>
667 <div class="section" id="i-am-unable-to-import-dumps-i-created-with-the-mysqldump-tool-bundled-with-the-mysql-server-distribution">
668 <span id="faq3-4"></span><h3>3.4 I am unable to import dumps I created with the mysqldump tool bundled with the MySQL server distribution.<a class="headerlink" href="#i-am-unable-to-import-dumps-i-created-with-the-mysqldump-tool-bundled-with-the-mysql-server-distribution" title="Permalink to this headline"></a></h3>
669 <p>The problem is that older versions of <tt class="docutils literal"><span class="pre">mysqldump</span></tt> created invalid
670 comments like this:</p>
671 <div class="highlight-mysql"><div class="highlight"><pre><span class="c1">-- MySQL dump 8.22</span>
672 <span class="c1">--</span>
673 <span class="c1">-- Host: localhost Database: database</span>
674 <span class="o">-------------------------------------------------------</span><span class="c1">--</span>
675 <span class="c1">-- Server version 3.23.54</span>
676 </pre></div>
677 </div>
678 <p>The invalid part of the code is the horizontal line made of dashes
679 that appears once in every dump created with mysqldump. If you want to
680 run your dump you have to turn it into valid MySQL. This means, you
681 have to add a whitespace after the first two dashes of the line or add
682 a # before it: <tt class="docutils literal"><span class="pre">--</span> <span class="pre">-------------------------------------------------------</span></tt> or
683 <tt class="docutils literal"><span class="pre">#---------------------------------------------------------</span></tt></p>
684 </div>
685 <div class="section" id="when-using-nested-folders-multiple-hierarchies-are-displayed-in-a-wrong-manner">
686 <span id="faq3-5"></span><h3>3.5 When using nested folders, multiple hierarchies are displayed in a wrong manner.<a class="headerlink" href="#when-using-nested-folders-multiple-hierarchies-are-displayed-in-a-wrong-manner" title="Permalink to this headline"></a></h3>
687 <p>Please note that you should not use the separating string multiple
688 times without any characters between them, or at the beginning/end of
689 your table name. If you have to, think about using another
690 TableSeparator or disabling that feature.</p>
691 <div class="admonition seealso">
692 <p class="first admonition-title">See also</p>
693 <p class="last"><span class="target" id="index-18"></span><a class="reference internal" href="config.html#cfg_NavigationTreeTableSeparator"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['NavigationTreeTableSeparator']</span></tt></a></p>
694 </div>
695 </div>
696 <div class="section" id="faq3-6">
697 <span id="id7"></span><h3>3.6 (withdrawn).<a class="headerlink" href="#faq3-6" title="Permalink to this headline"></a></h3>
698 </div>
699 <div class="section" id="i-have-table-with-many-100-columns-and-when-i-try-to-browse-table-i-get-series-of-errors-like-warning-unable-to-parse-url-how-can-this-be-fixed">
700 <span id="faq3-7"></span><h3>3.7 I have table with many (100+) columns and when I try to browse table I get series of errors like &#8220;Warning: unable to parse url&#8221;. How can this be fixed?<a class="headerlink" href="#i-have-table-with-many-100-columns-and-when-i-try-to-browse-table-i-get-series-of-errors-like-warning-unable-to-parse-url-how-can-this-be-fixed" title="Permalink to this headline"></a></h3>
701 <p>Your table neither have a primary key nor an unique one, so we must
702 use a long expression to identify this row. This causes problems to
703 parse_url function. The workaround is to create a primary or unique
704 key.</p>
705 </div>
706 <div class="section" id="i-cannot-use-clickable-html-forms-in-columns-where-i-put-a-mime-transformation-onto">
707 <span id="faq3-8"></span><h3>3.8 I cannot use (clickable) HTML-forms in columns where I put a MIME-Transformation onto!<a class="headerlink" href="#i-cannot-use-clickable-html-forms-in-columns-where-i-put-a-mime-transformation-onto" title="Permalink to this headline"></a></h3>
708 <p>Due to a surrounding form-container (for multi-row delete checkboxes),
709 no nested forms can be put inside the table where phpMyAdmin displays
710 the results. You can, however, use any form inside of a table if keep
711 the parent form-container with the target to tbl_row_delete.php and
712 just put your own input-elements inside. If you use a custom submit
713 input field, the form will submit itself to the displaying page again,
714 where you can validate the $HTTP_POST_VARS in a transformation. For
715 a tutorial on how to effectively use transformations, see our <a class="reference external" href="https://www.phpmyadmin.net/docs/">Link
716 section</a> on the
717 official phpMyAdmin-homepage.</p>
718 </div>
719 <div class="section" id="i-get-error-messages-when-using-sql-mode-ansi-for-the-mysql-server">
720 <span id="faq3-9"></span><h3>3.9 I get error messages when using &#8220;&#8211;sql_mode=ANSI&#8221; for the MySQL server.<a class="headerlink" href="#i-get-error-messages-when-using-sql-mode-ansi-for-the-mysql-server" title="Permalink to this headline"></a></h3>
721 <p>When MySQL is running in ANSI-compatibility mode, there are some major
722 differences in how <a class="reference internal" href="glossary.html#term-sql"><em class="xref std std-term">SQL</em></a> is structured (see
723 &lt;<a class="reference external" href="http://dev.mysql.com/doc/mysql/en/ansi-mode.html">http://dev.mysql.com/doc/mysql/en/ansi-mode.html</a>&gt;). Most important of all, the
724 quote-character (&#8221;) is interpreted as an identifier quote character and not as
725 a string quote character, which makes many internal phpMyAdmin operations into
726 invalid <a class="reference internal" href="glossary.html#term-sql"><em class="xref std std-term">SQL</em></a> statements. There is no
727 workaround to this behaviour. News to this item will be posted in <a class="reference external" href="https://sourceforge.net/p/phpmyadmin/bugs/1013/">Bug report
728 #1013</a>.</p>
729 </div>
730 <div class="section" id="homonyms-and-no-primary-key-when-the-results-of-a-select-display-more-that-one-column-with-the-same-value-for-example-select-lastname-from-employees-where-firstname-like-a-and-two-smith-values-are-displayed-if-i-click-edit-i-cannot-be-sure-that-i-am-editing-the-intended-row">
731 <span id="faq3-10"></span><h3>3.10 Homonyms and no primary key: When the results of a SELECT display more that one column with the same value (for example <tt class="docutils literal"><span class="pre">SELECT</span> <span class="pre">lastname</span> <span class="pre">from</span> <span class="pre">employees</span> <span class="pre">where</span> <span class="pre">firstname</span> <span class="pre">like</span> <span class="pre">'A%'</span></tt> and two &#8220;Smith&#8221; values are displayed), if I click Edit I cannot be sure that I am editing the intended row.<a class="headerlink" href="#homonyms-and-no-primary-key-when-the-results-of-a-select-display-more-that-one-column-with-the-same-value-for-example-select-lastname-from-employees-where-firstname-like-a-and-two-smith-values-are-displayed-if-i-click-edit-i-cannot-be-sure-that-i-am-editing-the-intended-row" title="Permalink to this headline"></a></h3>
732 <p>Please make sure that your table has a primary key, so that phpMyAdmin
733 can use it for the Edit and Delete links.</p>
734 </div>
735 <div class="section" id="the-number-of-rows-for-innodb-tables-is-not-correct">
736 <span id="faq3-11"></span><h3>3.11 The number of rows for InnoDB tables is not correct.<a class="headerlink" href="#the-number-of-rows-for-innodb-tables-is-not-correct" title="Permalink to this headline"></a></h3>
737 <p>phpMyAdmin uses a quick method to get the row count, and this method only
738 returns an approximate count in the case of InnoDB tables. See
739 <span class="target" id="index-19"></span><a class="reference internal" href="config.html#cfg_MaxExactCount"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['MaxExactCount']</span></tt></a> for a way to modify those results, but
740 this could have a serious impact on performance.
741 However, one can easily replace the approximate row count with exact count by
742 simply clicking on the approximate count. This can also be done for all tables
743 at once by clicking on the rows sum displayed at the bottom.</p>
744 </div>
745 <div class="section" id="faq3-12">
746 <span id="id9"></span><h3>3.12 (withdrawn).<a class="headerlink" href="#faq3-12" title="Permalink to this headline"></a></h3>
747 </div>
748 <div class="section" id="i-get-an-error-when-entering-use-followed-by-a-db-name-containing-an-hyphen">
749 <span id="faq3-13"></span><h3>3.13 I get an error when entering <tt class="docutils literal"><span class="pre">USE</span></tt> followed by a db name containing an hyphen.<a class="headerlink" href="#i-get-an-error-when-entering-use-followed-by-a-db-name-containing-an-hyphen" title="Permalink to this headline"></a></h3>
750 <p>The tests I have made with MySQL 5.1.49 shows that the API does not
751 accept this syntax for the USE command.</p>
752 </div>
753 <div class="section" id="i-am-not-able-to-browse-a-table-when-i-don-t-have-the-right-to-select-one-of-the-columns">
754 <span id="faq3-14"></span><h3>3.14 I am not able to browse a table when I don&#8217;t have the right to SELECT one of the columns.<a class="headerlink" href="#i-am-not-able-to-browse-a-table-when-i-don-t-have-the-right-to-select-one-of-the-columns" title="Permalink to this headline"></a></h3>
755 <p>This has been a known limitation of phpMyAdmin since the beginning and
756 it&#8217;s not likely to be solved in the future.</p>
757 </div>
758 <div class="section" id="faq3-15">
759 <span id="id10"></span><h3>3.15 (withdrawn).<a class="headerlink" href="#faq3-15" title="Permalink to this headline"></a></h3>
760 </div>
761 <div class="section" id="faq3-16">
762 <span id="id11"></span><h3>3.16 (withdrawn).<a class="headerlink" href="#faq3-16" title="Permalink to this headline"></a></h3>
763 </div>
764 <div class="section" id="faq3-17">
765 <span id="id12"></span><h3>3.17 (withdrawn).<a class="headerlink" href="#faq3-17" title="Permalink to this headline"></a></h3>
766 </div>
767 <div class="section" id="when-i-import-a-csv-file-that-contains-multiple-tables-they-are-lumped-together-into-a-single-table">
768 <span id="faq3-18"></span><h3>3.18 When I import a CSV file that contains multiple tables, they are lumped together into a single table.<a class="headerlink" href="#when-i-import-a-csv-file-that-contains-multiple-tables-they-are-lumped-together-into-a-single-table" title="Permalink to this headline"></a></h3>
769 <p>There is no reliable way to differentiate tables in <a class="reference internal" href="glossary.html#term-csv"><em class="xref std std-term">CSV</em></a> format. For the
770 time being, you will have to break apart <a class="reference internal" href="glossary.html#term-csv"><em class="xref std std-term">CSV</em></a> files containing multiple
771 tables.</p>
772 </div>
773 <div class="section" id="when-i-import-a-file-and-have-phpmyadmin-determine-the-appropriate-data-structure-it-only-uses-int-decimal-and-varchar-types">
774 <span id="faq3-19"></span><h3>3.19 When I import a file and have phpMyAdmin determine the appropriate data structure it only uses int, decimal, and varchar types.<a class="headerlink" href="#when-i-import-a-file-and-have-phpmyadmin-determine-the-appropriate-data-structure-it-only-uses-int-decimal-and-varchar-types" title="Permalink to this headline"></a></h3>
775 <p>Currently, the import type-detection system can only assign these
776 MySQL types to columns. In future, more will likely be added but for
777 the time being you will have to edit the structure to your liking
778 post-import. Also, you should note the fact that phpMyAdmin will use
779 the size of the largest item in any given column as the column size
780 for the appropriate type. If you know you will be adding larger items
781 to that column then you should manually adjust the column sizes
782 accordingly. This is done for the sake of efficiency.</p>
783 </div>
784 <div class="section" id="after-upgrading-some-bookmarks-are-gone-or-their-content-cannot-be-shown">
785 <span id="faq3-20"></span><h3>3.20 After upgrading, some bookmarks are gone or their content cannot be shown.<a class="headerlink" href="#after-upgrading-some-bookmarks-are-gone-or-their-content-cannot-be-shown" title="Permalink to this headline"></a></h3>
786 <p>At some point, the character set used to store bookmark content has changed.
787 It&#8217;s better to recreate your bookmark from the newer phpMyAdmin version.</p>
788 </div>
789 </div>
790 <div class="section" id="isps-multi-user-installations">
791 <span id="faqmultiuser"></span><h2>ISPs, multi-user installations<a class="headerlink" href="#isps-multi-user-installations" title="Permalink to this headline"></a></h2>
792 <div class="section" id="i-m-an-isp-can-i-setup-one-central-copy-of-phpmyadmin-or-do-i-need-to-install-it-for-each-customer">
793 <span id="faq4-1"></span><h3>4.1 I&#8217;m an ISP. Can I setup one central copy of phpMyAdmin or do I need to install it for each customer?<a class="headerlink" href="#i-m-an-isp-can-i-setup-one-central-copy-of-phpmyadmin-or-do-i-need-to-install-it-for-each-customer" title="Permalink to this headline"></a></h3>
794 <p>Since version 2.0.3, you can setup a central copy of phpMyAdmin for all your
795 users. The development of this feature was kindly sponsored by NetCologne GmbH.
796 This requires a properly setup MySQL user management and phpMyAdmin
797 <a class="reference internal" href="glossary.html#term-http"><em class="xref std std-term">HTTP</em></a> or cookie authentication.</p>
798 <div class="admonition seealso">
799 <p class="first admonition-title">See also</p>
800 <p class="last"><a class="reference internal" href="setup.html#authentication-modes"><em>Using authentication modes</em></a></p>
801 </div>
802 </div>
803 <div class="section" id="what-s-the-preferred-way-of-making-phpmyadmin-secure-against-evil-access">
804 <span id="faq4-2"></span><h3>4.2 What&#8217;s the preferred way of making phpMyAdmin secure against evil access?<a class="headerlink" href="#what-s-the-preferred-way-of-making-phpmyadmin-secure-against-evil-access" title="Permalink to this headline"></a></h3>
805 <p>This depends on your system. If you&#8217;re running a server which cannot be
806 accessed by other people, it&#8217;s sufficient to use the directory protection
807 bundled with your webserver (with Apache you can use <a class="reference internal" href="glossary.html#term-htaccess"><em class="xref std std-term">.htaccess</em></a> files,
808 for example). If other people have telnet access to your server, you should use
809 phpMyAdmin&#8217;s <a class="reference internal" href="glossary.html#term-http"><em class="xref std std-term">HTTP</em></a> or cookie authentication features.</p>
810 <p>Suggestions:</p>
811 <ul class="simple">
812 <li>Your <tt class="file docutils literal"><span class="pre">config.inc.php</span></tt> file should be <tt class="docutils literal"><span class="pre">chmod</span> <span class="pre">660</span></tt>.</li>
813 <li>All your phpMyAdmin files should be chown -R phpmy.apache, where phpmy
814 is a user whose password is only known to you, and apache is the group
815 under which Apache runs.</li>
816 <li>Follow security recommendations for PHP and your webserver.</li>
817 </ul>
818 </div>
819 <div class="section" id="i-get-errors-about-not-being-able-to-include-a-file-in-lang-or-in-libraries">
820 <span id="faq4-3"></span><h3>4.3 I get errors about not being able to include a file in <em>/lang</em> or in <em>/libraries</em>.<a class="headerlink" href="#i-get-errors-about-not-being-able-to-include-a-file-in-lang-or-in-libraries" title="Permalink to this headline"></a></h3>
821 <p>Check <tt class="file docutils literal"><span class="pre">php.ini</span></tt>, or ask your sysadmin to check it. The
822 <tt class="docutils literal"><span class="pre">include_path</span></tt> must contain &#8221;.&#8221; somewhere in it, and
823 <tt class="docutils literal"><span class="pre">open_basedir</span></tt>, if used, must contain &#8221;.&#8221; and &#8221;./lang&#8221; to allow
824 normal operation of phpMyAdmin.</p>
825 </div>
826 <div class="section" id="phpmyadmin-always-gives-access-denied-when-using-http-authentication">
827 <span id="faq4-4"></span><h3>4.4 phpMyAdmin always gives &#8220;Access denied&#8221; when using HTTP authentication.<a class="headerlink" href="#phpmyadmin-always-gives-access-denied-when-using-http-authentication" title="Permalink to this headline"></a></h3>
828 <p>This could happen for several reasons:</p>
829 <ul class="simple">
830 <li><span class="target" id="index-20"></span><a class="reference internal" href="config.html#cfg_Servers_controluser"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['Servers'][$i]['controluser']</span></tt></a> and/or <span class="target" id="index-21"></span><a class="reference internal" href="config.html#cfg_Servers_controlpass"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['Servers'][$i]['controlpass']</span></tt></a> are wrong.</li>
831 <li>The username/password you specify in the login dialog are invalid.</li>
832 <li>You have already setup a security mechanism for the phpMyAdmin-
833 directory, eg. a <a class="reference internal" href="glossary.html#term-htaccess"><em class="xref std std-term">.htaccess</em></a> file. This would interfere with phpMyAdmin&#8217;s
834 authentication, so remove it.</li>
835 </ul>
836 </div>
837 <div class="section" id="is-it-possible-to-let-users-create-their-own-databases">
838 <span id="faq4-5"></span><h3>4.5 Is it possible to let users create their own databases?<a class="headerlink" href="#is-it-possible-to-let-users-create-their-own-databases" title="Permalink to this headline"></a></h3>
839 <p>Starting with 2.2.5, in the user management page, you can enter a
840 wildcard database name for a user (for example &#8220;joe%&#8221;), and put the
841 privileges you want. For example, adding <tt class="docutils literal"><span class="pre">SELECT,</span> <span class="pre">INSERT,</span> <span class="pre">UPDATE,</span>
842 <span class="pre">DELETE,</span> <span class="pre">CREATE,</span> <span class="pre">DROP,</span> <span class="pre">INDEX,</span> <span class="pre">ALTER</span></tt> would let a user create/manage
843 his/her database(s).</p>
844 </div>
845 <div class="section" id="how-can-i-use-the-host-based-authentication-additions">
846 <span id="faq4-6"></span><h3>4.6 How can I use the Host-based authentication additions?<a class="headerlink" href="#how-can-i-use-the-host-based-authentication-additions" title="Permalink to this headline"></a></h3>
847 <p>If you have existing rules from an old <a class="reference internal" href="glossary.html#term-htaccess"><em class="xref std std-term">.htaccess</em></a> file, you can take them and
848 add a username between the <tt class="docutils literal"><span class="pre">'deny'</span></tt>/<tt class="docutils literal"><span class="pre">'allow'</span></tt> and <tt class="docutils literal"><span class="pre">'from'</span></tt>
849 strings. Using the username wildcard of <tt class="docutils literal"><span class="pre">'%'</span></tt> would be a major
850 benefit here if your installation is suited to using it. Then you can
851 just add those updated lines into the
852 <span class="target" id="index-22"></span><a class="reference internal" href="config.html#cfg_Servers_AllowDeny_rules"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['Servers'][$i]['AllowDeny']['rules']</span></tt></a> array.</p>
853 <p>If you want a pre-made sample, you can try this fragment. It stops the
854 &#8216;root&#8217; user from logging in from any networks other than the private
855 network <a class="reference internal" href="glossary.html#term-ip"><em class="xref std std-term">IP</em></a> blocks.</p>
856 <div class="highlight-php"><div class="highlight"><pre><span class="c1">//block root from logging in except from the private networks</span>
857 <span class="nv">$cfg</span><span class="p">[</span><span class="s1">&#39;Servers&#39;</span><span class="p">][</span><span class="nv">$i</span><span class="p">][</span><span class="s1">&#39;AllowDeny&#39;</span><span class="p">][</span><span class="s1">&#39;order&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="s1">&#39;deny,allow&#39;</span><span class="p">;</span>
858 <span class="nv">$cfg</span><span class="p">[</span><span class="s1">&#39;Servers&#39;</span><span class="p">][</span><span class="nv">$i</span><span class="p">][</span><span class="s1">&#39;AllowDeny&#39;</span><span class="p">][</span><span class="s1">&#39;rules&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="k">array</span><span class="p">(</span>
859 <span class="s1">&#39;deny root from all&#39;</span><span class="p">,</span>
860 <span class="s1">&#39;allow root from localhost&#39;</span><span class="p">,</span>
861 <span class="s1">&#39;allow root from 10.0.0.0/8&#39;</span><span class="p">,</span>
862 <span class="s1">&#39;allow root from 192.168.0.0/16&#39;</span><span class="p">,</span>
863 <span class="s1">&#39;allow root from 172.16.0.0/12&#39;</span><span class="p">,</span>
864 <span class="p">);</span>
865 </pre></div>
866 </div>
867 </div>
868 <div class="section" id="authentication-window-is-displayed-more-than-once-why">
869 <span id="faq4-7"></span><h3>4.7 Authentication window is displayed more than once, why?<a class="headerlink" href="#authentication-window-is-displayed-more-than-once-why" title="Permalink to this headline"></a></h3>
870 <p>This happens if you are using a <a class="reference internal" href="glossary.html#term-url"><em class="xref std std-term">URL</em></a> to start phpMyAdmin which is
871 different than the one set in your <span class="target" id="index-23"></span><a class="reference internal" href="config.html#cfg_PmaAbsoluteUri"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['PmaAbsoluteUri']</span></tt></a>. For
872 example, a missing &#8220;www&#8221;, or entering with an <a class="reference internal" href="glossary.html#term-ip"><em class="xref std std-term">IP</em></a> address while a domain
873 name is defined in the config file.</p>
874 </div>
875 <div class="section" id="which-parameters-can-i-use-in-the-url-that-starts-phpmyadmin">
876 <span id="faq4-8"></span><h3>4.8 Which parameters can I use in the URL that starts phpMyAdmin?<a class="headerlink" href="#which-parameters-can-i-use-in-the-url-that-starts-phpmyadmin" title="Permalink to this headline"></a></h3>
877 <p>When starting phpMyAdmin, you can use the <tt class="docutils literal"><span class="pre">db</span></tt>, <tt class="docutils literal"><span class="pre">pma_username</span></tt>,
878 <tt class="docutils literal"><span class="pre">pma_password</span></tt> and <tt class="docutils literal"><span class="pre">server</span></tt> parameters. This last one can contain
879 either the numeric host index (from <tt class="docutils literal"><span class="pre">$i</span></tt> of the configuration file)
880 or one of the host names present in the configuration file. Using
881 <tt class="docutils literal"><span class="pre">pma_username</span></tt> and <tt class="docutils literal"><span class="pre">pma_password</span></tt> has been tested along with the
882 usage of &#8216;cookie&#8217; <tt class="docutils literal"><span class="pre">auth_type</span></tt>.</p>
883 </div>
884 </div>
885 <div class="section" id="browsers-or-client-os">
886 <span id="faqbrowsers"></span><h2>Browsers or client OS<a class="headerlink" href="#browsers-or-client-os" title="Permalink to this headline"></a></h2>
887 <div class="section" id="i-get-an-out-of-memory-error-and-my-controls-are-non-functional-when-trying-to-create-a-table-with-more-than-14-columns">
888 <span id="faq5-1"></span><h3>5.1 I get an out of memory error, and my controls are non-functional, when trying to create a table with more than 14 columns.<a class="headerlink" href="#i-get-an-out-of-memory-error-and-my-controls-are-non-functional-when-trying-to-create-a-table-with-more-than-14-columns" title="Permalink to this headline"></a></h3>
889 <p>We could reproduce this problem only under Win98/98SE. Testing under
890 WinNT4 or Win2K, we could easily create more than 60 columns. A
891 workaround is to create a smaller number of columns, then come back to
892 your table properties and add the other columns.</p>
893 </div>
894 <div class="section" id="with-xitami-2-5b4-phpmyadmin-won-t-process-form-fields">
895 <span id="faq5-2"></span><h3>5.2 With Xitami 2.5b4, phpMyAdmin won&#8217;t process form fields.<a class="headerlink" href="#with-xitami-2-5b4-phpmyadmin-won-t-process-form-fields" title="Permalink to this headline"></a></h3>
896 <p>This is not a phpMyAdmin problem but a Xitami known bug: you&#8217;ll face
897 it with each script/website that use forms. Upgrade or downgrade your
898 Xitami server.</p>
899 </div>
900 <div class="section" id="i-have-problems-dumping-tables-with-konqueror-phpmyadmin-2-2-2">
901 <span id="faq5-3"></span><h3>5.3 I have problems dumping tables with Konqueror (phpMyAdmin 2.2.2).<a class="headerlink" href="#i-have-problems-dumping-tables-with-konqueror-phpmyadmin-2-2-2" title="Permalink to this headline"></a></h3>
902 <p>With Konqueror 2.1.1: plain dumps, zip and GZip dumps work ok, except
903 that the proposed file name for the dump is always &#8216;tbl_dump.php&#8217;.
904 Bzip2 dumps don&#8217;t seem to work. With Konqueror 2.2.1: plain dumps
905 work; zip dumps are placed into the user&#8217;s temporary directory, so
906 they must be moved before closing Konqueror, or else they disappear.
907 GZip dumps give an error message. Testing needs to be done for
908 Konqueror 2.2.2.</p>
909 </div>
910 <div class="section" id="i-can-t-use-the-cookie-authentication-mode-because-internet-explorer-never-stores-the-cookies">
911 <span id="faq5-4"></span><h3>5.4 I can&#8217;t use the cookie authentication mode because Internet Explorer never stores the cookies.<a class="headerlink" href="#i-can-t-use-the-cookie-authentication-mode-because-internet-explorer-never-stores-the-cookies" title="Permalink to this headline"></a></h3>
912 <p>MS Internet Explorer seems to be really buggy about cookies, at least
913 till version 6.</p>
914 </div>
915 <div class="section" id="in-internet-explorer-5-0-i-get-javascript-errors-when-browsing-my-rows">
916 <span id="faq5-5"></span><h3>5.5 In Internet Explorer 5.0, I get JavaScript errors when browsing my rows.<a class="headerlink" href="#in-internet-explorer-5-0-i-get-javascript-errors-when-browsing-my-rows" title="Permalink to this headline"></a></h3>
917 <p>Upgrade to at least Internet Explorer 5.5 SP2.</p>
918 </div>
919 <div class="section" id="in-internet-explorer-5-0-5-5-or-6-0-i-get-an-error-like-page-not-found-when-trying-to-modify-a-row-in-a-table-with-many-columns-or-with-a-text-column">
920 <span id="faq5-6"></span><h3>5.6 In Internet Explorer 5.0, 5.5 or 6.0, I get an error (like &#8220;Page not found&#8221;) when trying to modify a row in a table with many columns, or with a text column.<a class="headerlink" href="#in-internet-explorer-5-0-5-5-or-6-0-i-get-an-error-like-page-not-found-when-trying-to-modify-a-row-in-a-table-with-many-columns-or-with-a-text-column" title="Permalink to this headline"></a></h3>
921 <p>Your table neither have a primary key nor an unique one, so we must use a long
922 <a class="reference internal" href="glossary.html#term-url"><em class="xref std std-term">URL</em></a> to identify this row. There is a limit on the length of the
923 <a class="reference internal" href="glossary.html#term-url"><em class="xref std std-term">URL</em></a> in those browsers, and this not happen in Netscape, for example.
924 The workaround is to create a primary or unique key, or use another browser.</p>
925 </div>
926 <div class="section" id="i-refresh-reload-my-browser-and-come-back-to-the-welcome-page">
927 <span id="faq5-7"></span><h3>5.7 I refresh (reload) my browser, and come back to the welcome page.<a class="headerlink" href="#i-refresh-reload-my-browser-and-come-back-to-the-welcome-page" title="Permalink to this headline"></a></h3>
928 <p>Some browsers support right-clicking into the frame you want to
929 refresh, just do this in the right frame.</p>
930 </div>
931 <div class="section" id="with-mozilla-0-9-7-i-have-problems-sending-a-query-modified-in-the-query-box">
932 <span id="faq5-8"></span><h3>5.8 With Mozilla 0.9.7 I have problems sending a query modified in the query box.<a class="headerlink" href="#with-mozilla-0-9-7-i-have-problems-sending-a-query-modified-in-the-query-box" title="Permalink to this headline"></a></h3>
933 <p>Looks like a Mozilla bug: 0.9.6 was OK. We will keep an eye on future
934 Mozilla versions.</p>
935 </div>
936 <div class="section" id="with-mozilla-0-9-to-1-0-and-netscape-7-0-pr1-i-can-t-type-a-whitespace-in-the-sql-query-edit-area-the-page-scrolls-down">
937 <span id="faq5-9"></span><h3>5.9 With Mozilla 0.9.? to 1.0 and Netscape 7.0-PR1 I can&#8217;t type a whitespace in the SQL-Query edit area: the page scrolls down.<a class="headerlink" href="#with-mozilla-0-9-to-1-0-and-netscape-7-0-pr1-i-can-t-type-a-whitespace-in-the-sql-query-edit-area-the-page-scrolls-down" title="Permalink to this headline"></a></h3>
938 <p>This is a Mozilla bug (see bug #26882 at <a class="reference external" href="http://bugzilla.mozilla.org/">BugZilla</a>).</p>
939 </div>
940 <div class="section" id="with-netscape-4-75-i-get-empty-rows-between-each-row-of-data-in-a-csv-exported-file">
941 <span id="faq5-10"></span><h3>5.10 With Netscape 4.75 I get empty rows between each row of data in a CSV exported file.<a class="headerlink" href="#with-netscape-4-75-i-get-empty-rows-between-each-row-of-data-in-a-csv-exported-file" title="Permalink to this headline"></a></h3>
942 <p>This is a known Netscape 4.75 bug: it adds some line feeds when
943 exporting data in octet-stream mode. Since we can&#8217;t detect the
944 specific Netscape version, we cannot workaround this bug.</p>
945 </div>
946 <div class="section" id="extended-ascii-characters-like-german-umlauts-are-displayed-wrong">
947 <span id="faq5-11"></span><h3>5.11 Extended-ASCII characters like German umlauts are displayed wrong.<a class="headerlink" href="#extended-ascii-characters-like-german-umlauts-are-displayed-wrong" title="Permalink to this headline"></a></h3>
948 <p>Please ensure that you have set your browser&#8217;s character set to the
949 one of the language file you have selected on phpMyAdmin&#8217;s start page.
950 Alternatively, you can try the auto detection mode that is supported
951 by the recent versions of the most browsers.</p>
952 </div>
953 <div class="section" id="mac-os-x-safari-browser-changes-special-characters-to">
954 <span id="faq5-12"></span><h3>5.12 Mac OS X Safari browser changes special characters to &#8221;?&#8221;.<a class="headerlink" href="#mac-os-x-safari-browser-changes-special-characters-to" title="Permalink to this headline"></a></h3>
955 <p>This issue has been reported by a <a class="reference internal" href="glossary.html#term-mac-os-x"><em class="xref std std-term">Mac OS X</em></a> user, who adds that Chimera,
956 Netscape and Mozilla do not have this problem.</p>
957 </div>
958 <div class="section" id="with-internet-explorer-5-5-or-6-and-http-authentication-type-i-cannot-manage-two-servers-i-log-in-to-the-first-one-then-the-other-one-but-if-i-switch-back-to-the-first-i-have-to-log-in-on-each-operation">
959 <span id="faq5-13"></span><h3>5.13 With Internet Explorer 5.5 or 6, and HTTP authentication type, I cannot manage two servers: I log in to the first one, then the other one, but if I switch back to the first, I have to log in on each operation.<a class="headerlink" href="#with-internet-explorer-5-5-or-6-and-http-authentication-type-i-cannot-manage-two-servers-i-log-in-to-the-first-one-then-the-other-one-but-if-i-switch-back-to-the-first-i-have-to-log-in-on-each-operation" title="Permalink to this headline"></a></h3>
960 <p>This is a bug in Internet Explorer, other browsers do not behave this
961 way.</p>
962 </div>
963 <div class="section" id="using-opera6-i-can-manage-to-get-to-the-authentication-but-nothing-happens-after-that-only-a-blank-screen">
964 <span id="faq5-14"></span><h3>5.14 Using Opera6, I can manage to get to the authentication, but nothing happens after that, only a blank screen.<a class="headerlink" href="#using-opera6-i-can-manage-to-get-to-the-authentication-but-nothing-happens-after-that-only-a-blank-screen" title="Permalink to this headline"></a></h3>
965 <p>Please upgrade to Opera7 at least.</p>
966 </div>
967 <div class="section" id="i-have-display-problems-with-safari">
968 <span id="faq5-15"></span><h3>5.15 I have display problems with Safari.<a class="headerlink" href="#i-have-display-problems-with-safari" title="Permalink to this headline"></a></h3>
969 <p>Please upgrade to at least version 1.2.3.</p>
970 </div>
971 <div class="section" id="with-internet-explorer-i-get-access-is-denied-javascript-errors-or-i-cannot-make-phpmyadmin-work-under-windows">
972 <span id="faq5-16"></span><h3>5.16 With Internet Explorer, I get &#8220;Access is denied&#8221; Javascript errors. Or I cannot make phpMyAdmin work under Windows.<a class="headerlink" href="#with-internet-explorer-i-get-access-is-denied-javascript-errors-or-i-cannot-make-phpmyadmin-work-under-windows" title="Permalink to this headline"></a></h3>
973 <p>Please check the following points:</p>
974 <ul class="simple">
975 <li>Maybe you have defined your <span class="target" id="index-24"></span><a class="reference internal" href="config.html#cfg_PmaAbsoluteUri"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['PmaAbsoluteUri']</span></tt></a> setting in
976 <tt class="file docutils literal"><span class="pre">config.inc.php</span></tt> to an <a class="reference internal" href="glossary.html#term-ip"><em class="xref std std-term">IP</em></a> address and you are starting phpMyAdmin
977 with a <a class="reference internal" href="glossary.html#term-url"><em class="xref std std-term">URL</em></a> containing a domain name, or the reverse situation.</li>
978 <li>Security settings in IE and/or Microsoft Security Center are too high,
979 thus blocking scripts execution.</li>
980 <li>The Windows Firewall is blocking Apache and MySQL. You must allow
981 <a class="reference internal" href="glossary.html#term-http"><em class="xref std std-term">HTTP</em></a> ports (80 or 443) and MySQL
982 port (usually 3306) in the &#8220;in&#8221; and &#8220;out&#8221; directions.</li>
983 </ul>
984 </div>
985 <div class="section" id="with-firefox-i-cannot-delete-rows-of-data-or-drop-a-database">
986 <span id="faq5-17"></span><h3>5.17 With Firefox, I cannot delete rows of data or drop a database.<a class="headerlink" href="#with-firefox-i-cannot-delete-rows-of-data-or-drop-a-database" title="Permalink to this headline"></a></h3>
987 <p>Many users have confirmed that the Tabbrowser Extensions plugin they
988 installed in their Firefox is causing the problem.</p>
989 </div>
990 <div class="section" id="with-konqueror-4-2-x-an-invalid-limit-clause-is-generated-when-i-browse-a-table">
991 <span id="faq5-18"></span><h3>5.18 With Konqueror 4.2.x an invalid <tt class="docutils literal"><span class="pre">LIMIT</span></tt> clause is generated when I browse a table.<a class="headerlink" href="#with-konqueror-4-2-x-an-invalid-limit-clause-is-generated-when-i-browse-a-table" title="Permalink to this headline"></a></h3>
992 <p>This happens only when both of these conditions are met: using the
993 <tt class="docutils literal"><span class="pre">http</span></tt> authentication mode and <tt class="docutils literal"><span class="pre">register_globals</span></tt> being set to
994 <tt class="docutils literal"><span class="pre">On</span></tt> on the server. It seems to be a browser-specific problem;
995 meanwhile use the <tt class="docutils literal"><span class="pre">cookie</span></tt> authentication mode.</p>
996 </div>
997 <div class="section" id="i-get-javascript-errors-in-my-browser">
998 <span id="faq5-19"></span><h3>5.19 I get JavaScript errors in my browser.<a class="headerlink" href="#i-get-javascript-errors-in-my-browser" title="Permalink to this headline"></a></h3>
999 <p>Issues have been reported with some combinations of browser
1000 extensions. To troubleshoot, disable all extensions then clear your
1001 browser cache to see if the problem goes away.</p>
1002 </div>
1003 </div>
1004 <div class="section" id="using-phpmyadmin">
1005 <span id="faqusing"></span><h2>Using phpMyAdmin<a class="headerlink" href="#using-phpmyadmin" title="Permalink to this headline"></a></h2>
1006 <div class="section" id="i-can-t-insert-new-rows-into-a-table-i-can-t-create-a-table-mysql-brings-up-a-sql-error">
1007 <span id="faq6-1"></span><h3>6.1 I can&#8217;t insert new rows into a table / I can&#8217;t create a table - MySQL brings up a SQL error.<a class="headerlink" href="#i-can-t-insert-new-rows-into-a-table-i-can-t-create-a-table-mysql-brings-up-a-sql-error" title="Permalink to this headline"></a></h3>
1008 <p>Examine the <a class="reference internal" href="glossary.html#term-sql"><em class="xref std std-term">SQL</em></a> error with care.
1009 Often the problem is caused by specifying a wrong column-type. Common
1010 errors include:</p>
1011 <ul class="simple">
1012 <li>Using <tt class="docutils literal"><span class="pre">VARCHAR</span></tt> without a size argument</li>
1013 <li>Using <tt class="docutils literal"><span class="pre">TEXT</span></tt> or <tt class="docutils literal"><span class="pre">BLOB</span></tt> with a size argument</li>
1014 </ul>
1015 <p>Also, look at the syntax chapter in the MySQL manual to confirm that
1016 your syntax is correct.</p>
1017 </div>
1018 <div class="section" id="when-i-create-a-table-i-set-an-index-for-two-columns-and-phpmyadmin-generates-only-one-index-with-those-two-columns">
1019 <span id="faq6-2"></span><h3>6.2 When I create a table, I set an index for two columns and phpMyAdmin generates only one index with those two columns.<a class="headerlink" href="#when-i-create-a-table-i-set-an-index-for-two-columns-and-phpmyadmin-generates-only-one-index-with-those-two-columns" title="Permalink to this headline"></a></h3>
1020 <p>This is the way to create a multi-columns index. If you want two
1021 indexes, create the first one when creating the table, save, then
1022 display the table properties and click the Index link to create the
1023 other index.</p>
1024 </div>
1025 <div class="section" id="how-can-i-insert-a-null-value-into-my-table">
1026 <span id="faq6-3"></span><h3>6.3 How can I insert a null value into my table?<a class="headerlink" href="#how-can-i-insert-a-null-value-into-my-table" title="Permalink to this headline"></a></h3>
1027 <p>Since version 2.2.3, you have a checkbox for each column that can be
1028 null. Before 2.2.3, you had to enter &#8220;null&#8221;, without the quotes, as
1029 the column&#8217;s value. Since version 2.5.5, you have to use the checkbox
1030 to get a real NULL value, so if you enter &#8220;NULL&#8221; this means you want a
1031 literal NULL in the column, and not a NULL value (this works in PHP4).</p>
1032 </div>
1033 <div class="section" id="how-can-i-backup-my-database-or-table">
1034 <span id="faq6-4"></span><h3>6.4 How can I backup my database or table?<a class="headerlink" href="#how-can-i-backup-my-database-or-table" title="Permalink to this headline"></a></h3>
1035 <p>Click on a database or table name in the navigation panel, the properties will
1036 be displayed. Then on the menu, click &#8220;Export&#8221;, you can dump the structure, the
1037 data, or both. This will generate standard <a class="reference internal" href="glossary.html#term-sql"><em class="xref std std-term">SQL</em></a> statements that can be
1038 used to recreate your database/table. You will need to choose &#8220;Save as file&#8221;,
1039 so that phpMyAdmin can transmit the resulting dump to your station. Depending
1040 on your PHP configuration, you will see options to compress the dump. See also
1041 the <span class="target" id="index-25"></span><a class="reference internal" href="config.html#cfg_ExecTimeLimit"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['ExecTimeLimit']</span></tt></a> configuration variable. For
1042 additional help on this subject, look for the word &#8220;dump&#8221; in this document.</p>
1043 </div>
1044 <div class="section" id="how-can-i-restore-upload-my-database-or-table-using-a-dump-how-can-i-run-a-sql-file">
1045 <span id="faq6-5"></span><h3>6.5 How can I restore (upload) my database or table using a dump? How can I run a &#8221;.sql&#8221; file?<a class="headerlink" href="#how-can-i-restore-upload-my-database-or-table-using-a-dump-how-can-i-run-a-sql-file" title="Permalink to this headline"></a></h3>
1046 <p>Click on a database name in the navigation panel, the properties will
1047 be displayed. Select &#8220;Import&#8221; from the list of tabs in the right–hand
1048 frame (or &#8220;<a class="reference internal" href="glossary.html#term-sql"><em class="xref std std-term">SQL</em></a>&#8221; if your phpMyAdmin
1049 version is previous to 2.7.0). In the &#8220;Location of the text file&#8221;
1050 section, type in the path to your dump filename, or use the Browse
1051 button. Then click Go. With version 2.7.0, the import engine has been
1052 re–written, if possible it is suggested that you upgrade to take
1053 advantage of the new features. For additional help on this subject,
1054 look for the word &#8220;upload&#8221; in this document.</p>
1055 </div>
1056 <div class="section" id="how-can-i-use-the-relation-table-in-query-by-example">
1057 <span id="faq6-6"></span><h3>6.6 How can I use the relation table in Query-by-example?<a class="headerlink" href="#how-can-i-use-the-relation-table-in-query-by-example" title="Permalink to this headline"></a></h3>
1058 <p>Here is an example with the tables persons, towns and countries, all
1059 located in the database &#8220;mydb&#8221;. If you don&#8217;t have a <tt class="docutils literal"><span class="pre">pma__relation</span></tt>
1060 table, create it as explained in the configuration section. Then
1061 create the example tables:</p>
1062 <div class="highlight-mysql"><div class="highlight"><pre><span class="k">CREATE</span> <span class="k">TABLE</span> <span class="nf">REL_countries</span> <span class="p">(</span>
1063 <span class="n">country_code</span> <span class="kt">char</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span> <span class="k">NOT</span> <span class="no">NULL</span> <span class="k">default</span> <span class="s1">&#39;&#39;</span><span class="p">,</span>
1064 <span class="n">description</span> <span class="kt">varchar</span><span class="p">(</span><span class="mi">10</span><span class="p">)</span> <span class="k">NOT</span> <span class="no">NULL</span> <span class="k">default</span> <span class="s1">&#39;&#39;</span><span class="p">,</span>
1065 <span class="k">PRIMARY</span> <span class="k">KEY</span> <span class="p">(</span><span class="n">country_code</span><span class="p">)</span>
1066 <span class="p">)</span> <span class="n">TYPE</span><span class="o">=</span><span class="n">MyISAM</span><span class="p">;</span>
1068 <span class="k">INSERT</span> <span class="k">INTO</span> <span class="n">REL_countries</span> <span class="k">VALUES</span> <span class="p">(</span><span class="s1">&#39;C&#39;</span><span class="p">,</span> <span class="s1">&#39;Canada&#39;</span><span class="p">);</span>
1070 <span class="k">CREATE</span> <span class="k">TABLE</span> <span class="nf">REL_persons</span> <span class="p">(</span>
1071 <span class="n">id</span> <span class="kt">tinyint</span><span class="p">(</span><span class="mi">4</span><span class="p">)</span> <span class="k">NOT</span> <span class="no">NULL</span> <span class="kp">auto_increment</span><span class="p">,</span>
1072 <span class="n">person_name</span> <span class="kt">varchar</span><span class="p">(</span><span class="mi">32</span><span class="p">)</span> <span class="k">NOT</span> <span class="no">NULL</span> <span class="k">default</span> <span class="s1">&#39;&#39;</span><span class="p">,</span>
1073 <span class="n">town_code</span> <span class="kt">varchar</span><span class="p">(</span><span class="mi">5</span><span class="p">)</span> <span class="k">default</span> <span class="s1">&#39;0&#39;</span><span class="p">,</span>
1074 <span class="n">country_code</span> <span class="kt">char</span><span class="p">(</span><span class="mi">1</span><span class="p">)</span> <span class="k">NOT</span> <span class="no">NULL</span> <span class="k">default</span> <span class="s1">&#39;&#39;</span><span class="p">,</span>
1075 <span class="k">PRIMARY</span> <span class="k">KEY</span> <span class="p">(</span><span class="n">id</span><span class="p">)</span>
1076 <span class="p">)</span> <span class="n">TYPE</span><span class="o">=</span><span class="n">MyISAM</span><span class="p">;</span>
1078 <span class="k">INSERT</span> <span class="k">INTO</span> <span class="n">REL_persons</span> <span class="k">VALUES</span> <span class="p">(</span><span class="mi">11</span><span class="p">,</span> <span class="s1">&#39;Marc&#39;</span><span class="p">,</span> <span class="s1">&#39;S&#39;</span><span class="p">,</span> <span class="s1">&#39;&#39;</span><span class="p">);</span>
1079 <span class="k">INSERT</span> <span class="k">INTO</span> <span class="n">REL_persons</span> <span class="k">VALUES</span> <span class="p">(</span><span class="mi">15</span><span class="p">,</span> <span class="s1">&#39;Paul&#39;</span><span class="p">,</span> <span class="s1">&#39;S&#39;</span><span class="p">,</span> <span class="s1">&#39;C&#39;</span><span class="p">);</span>
1081 <span class="k">CREATE</span> <span class="k">TABLE</span> <span class="nf">REL_towns</span> <span class="p">(</span>
1082 <span class="n">town_code</span> <span class="kt">varchar</span><span class="p">(</span><span class="mi">5</span><span class="p">)</span> <span class="k">NOT</span> <span class="no">NULL</span> <span class="k">default</span> <span class="s1">&#39;0&#39;</span><span class="p">,</span>
1083 <span class="n">description</span> <span class="kt">varchar</span><span class="p">(</span><span class="mi">30</span><span class="p">)</span> <span class="k">NOT</span> <span class="no">NULL</span> <span class="k">default</span> <span class="s1">&#39;&#39;</span><span class="p">,</span>
1084 <span class="k">PRIMARY</span> <span class="k">KEY</span> <span class="p">(</span><span class="n">town_code</span><span class="p">)</span>
1085 <span class="p">)</span> <span class="n">TYPE</span><span class="o">=</span><span class="n">MyISAM</span><span class="p">;</span>
1087 <span class="k">INSERT</span> <span class="k">INTO</span> <span class="n">REL_towns</span> <span class="k">VALUES</span> <span class="p">(</span><span class="s1">&#39;S&#39;</span><span class="p">,</span> <span class="s1">&#39;Sherbrooke&#39;</span><span class="p">);</span>
1088 <span class="k">INSERT</span> <span class="k">INTO</span> <span class="n">REL_towns</span> <span class="k">VALUES</span> <span class="p">(</span><span class="s1">&#39;M&#39;</span><span class="p">,</span> <span class="s1">&#39;Montréal&#39;</span><span class="p">);</span>
1089 </pre></div>
1090 </div>
1091 <p>To setup appropriate links and display information:</p>
1092 <ul class="simple">
1093 <li>on table &#8220;REL_persons&#8221; click Structure, then Relation view</li>
1094 <li>for &#8220;town_code&#8221;, choose from dropdowns, &#8220;mydb&#8221;, &#8220;REL_towns&#8221;, &#8220;code&#8221;
1095 for foreign database, table and column respectively</li>
1096 <li>for &#8220;country_code&#8221;, choose from dropdowns, &#8220;mydb&#8221;, &#8220;REL_countries&#8221;,
1097 &#8220;country_code&#8221; for foreign database, table and column respectively</li>
1098 <li>on table &#8220;REL_towns&#8221; click Structure, then Relation view</li>
1099 <li>in &#8220;Choose column to display&#8221;, choose &#8220;description&#8221;</li>
1100 <li>repeat the two previous steps for table &#8220;REL_countries&#8221;</li>
1101 </ul>
1102 <p>Then test like this:</p>
1103 <ul class="simple">
1104 <li>Click on your db name in the navigation panel</li>
1105 <li>Choose &#8220;Query&#8221;</li>
1106 <li>Use tables: persons, towns, countries</li>
1107 <li>Click &#8220;Update query&#8221;</li>
1108 <li>In the columns row, choose persons.person_name and click the &#8220;Show&#8221;
1109 tickbox</li>
1110 <li>Do the same for towns.description and countries.descriptions in the
1111 other 2 columns</li>
1112 <li>Click &#8220;Update query&#8221; and you will see in the query box that the
1113 correct joins have been generated</li>
1114 <li>Click &#8220;Submit query&#8221;</li>
1115 </ul>
1116 </div>
1117 <div class="section" id="how-can-i-use-the-display-column-feature">
1118 <span id="faqdisplay"></span><h3>6.7 How can I use the &#8220;display column&#8221; feature?<a class="headerlink" href="#how-can-i-use-the-display-column-feature" title="Permalink to this headline"></a></h3>
1119 <p>Starting from the previous example, create the <tt class="docutils literal"><span class="pre">pma__table_info</span></tt> as
1120 explained in the configuration section, then browse your persons
1121 table, and move the mouse over a town code or country code. See also
1122 <a class="reference internal" href="#faq6-21"><em>6.21 In edit/insert mode, how can I see a list of possible values for a column, based on some foreign table?</em></a> for an additional feature that &#8220;display column&#8221;
1123 enables: drop-down list of possible values.</p>
1124 </div>
1125 <div class="section" id="how-can-i-produce-a-pdf-schema-of-my-database">
1126 <span id="faqpdf"></span><h3>6.8 How can I produce a PDF schema of my database?<a class="headerlink" href="#how-can-i-produce-a-pdf-schema-of-my-database" title="Permalink to this headline"></a></h3>
1127 <p>First the configuration variables &#8220;relation&#8221;, &#8220;table_coords&#8221; and
1128 &#8220;pdf_pages&#8221; have to be filled in. Then you need to think about your
1129 schema layout. Which tables will go on which pages?</p>
1130 <ul class="simple">
1131 <li>Select your database in the navigation panel.</li>
1132 <li>Choose &#8220;Operations&#8221; in the navigation bar at the top.</li>
1133 <li>Choose &#8220;Edit <a class="reference internal" href="glossary.html#term-pdf"><em class="xref std std-term">PDF</em></a> Pages&#8221; near the
1134 bottom of the page.</li>
1135 <li>Enter a name for the first <a class="reference internal" href="glossary.html#term-pdf"><em class="xref std std-term">PDF</em></a> page
1136 and click Go. If you like, you can use the &#8220;automatic layout,&#8221; which
1137 will put all your linked tables onto the new page.</li>
1138 <li>Select the name of the new page (making sure the Edit radio button is
1139 selected) and click Go.</li>
1140 <li>Select a table from the list, enter its coordinates and click Save.
1141 Coordinates are relative; your diagram will be automatically scaled to
1142 fit the page. When initially placing tables on the page, just pick any
1143 coordinates &#8211; say, 50x50. After clicking Save, you can then use the
1144 <a class="reference internal" href="#wysiwyg"><em>6.28 How can I easily edit relational schema for export?</em></a> to position the element correctly.</li>
1145 <li>When you&#8217;d like to look at your <a class="reference internal" href="glossary.html#term-pdf"><em class="xref std std-term">PDF</em></a>, first be sure to click the Save
1146 button beneath the list of tables and coordinates, to save any changes you
1147 made there. Then scroll all the way down, select the <a class="reference internal" href="glossary.html#term-pdf"><em class="xref std std-term">PDF</em></a> options you
1148 want, and click Go.</li>
1149 <li>Internet Explorer for Windows may suggest an incorrect filename when
1150 you try to save a generated <a class="reference internal" href="glossary.html#term-pdf"><em class="xref std std-term">PDF</em></a>.
1151 When saving a generated <a class="reference internal" href="glossary.html#term-pdf"><em class="xref std std-term">PDF</em></a>, be
1152 sure that the filename ends in &#8221;.pdf&#8221;, for example &#8220;schema.pdf&#8221;.
1153 Browsers on other operating systems, and other browsers on Windows, do
1154 not have this problem.</li>
1155 </ul>
1156 </div>
1157 <div class="section" id="phpmyadmin-is-changing-the-type-of-one-of-my-columns">
1158 <span id="faq6-9"></span><h3>6.9 phpMyAdmin is changing the type of one of my columns!<a class="headerlink" href="#phpmyadmin-is-changing-the-type-of-one-of-my-columns" title="Permalink to this headline"></a></h3>
1159 <p>No, it&#8217;s MySQL that is doing <a class="reference external" href="http://dev.mysql.com/doc/en/silent-column-changes.html">silent column type changing</a>.</p>
1160 </div>
1161 <div class="section" id="when-creating-a-privilege-what-happens-with-underscores-in-the-database-name">
1162 <span id="underscore"></span><h3>6.10 When creating a privilege, what happens with underscores in the database name?<a class="headerlink" href="#when-creating-a-privilege-what-happens-with-underscores-in-the-database-name" title="Permalink to this headline"></a></h3>
1163 <p>If you do not put a backslash before the underscore, this is a
1164 wildcard grant, and the underscore means &#8220;any character&#8221;. So, if the
1165 database name is &#8220;john_db&#8221;, the user would get rights to john1db,
1166 john2db ... If you put a backslash before the underscore, it means
1167 that the database name will have a real underscore.</p>
1168 </div>
1169 <div class="section" id="what-is-the-curious-symbol-o-in-the-statistics-pages">
1170 <span id="faq6-11"></span><h3>6.11 What is the curious symbol ø in the statistics pages?<a class="headerlink" href="#what-is-the-curious-symbol-o-in-the-statistics-pages" title="Permalink to this headline"></a></h3>
1171 <p>It means &#8220;average&#8221;.</p>
1172 </div>
1173 <div class="section" id="i-want-to-understand-some-export-options">
1174 <span id="faqexport"></span><h3>6.12 I want to understand some Export options.<a class="headerlink" href="#i-want-to-understand-some-export-options" title="Permalink to this headline"></a></h3>
1175 <p><strong>Structure:</strong></p>
1176 <ul class="simple">
1177 <li>&#8220;Add DROP TABLE&#8221; will add a line telling MySQL to <a class="reference external" href="http://dev.mysql.com/doc/mysql/en/drop-table.html">drop the table</a>, if it already
1178 exists during the import. It does NOT drop the table after your
1179 export, it only affects the import file.</li>
1180 <li>&#8220;If Not Exists&#8221; will only create the table if it doesn&#8217;t exist.
1181 Otherwise, you may get an error if the table name exists but has a
1182 different structure.</li>
1183 <li>&#8220;Add AUTO_INCREMENT value&#8221; ensures that AUTO_INCREMENT value (if
1184 any) will be included in backup.</li>
1185 <li>&#8220;Enclose table and column names with backquotes&#8221; ensures that column
1186 and table names formed with special characters are protected.</li>
1187 <li>&#8220;Add into comments&#8221; includes column comments, relations, and MIME
1188 types set in the pmadb in the dump as <a class="reference internal" href="glossary.html#term-sql"><em class="xref std std-term">SQL</em></a> comments
1189 (<em>/* xxx */</em>).</li>
1190 </ul>
1191 <p><strong>Data:</strong></p>
1192 <ul class="simple">
1193 <li>&#8220;Complete inserts&#8221; adds the column names on every INSERT command, for
1194 better documentation (but resulting file is bigger).</li>
1195 <li>&#8220;Extended inserts&#8221; provides a shorter dump file by using only once the
1196 INSERT verb and the table name.</li>
1197 <li>&#8220;Delayed inserts&#8221; are best explained in the <a class="reference external" href="http://dev.mysql.com/doc/mysql/en/insert-delayed.html">MySQL manual - INSERT DELAYED Syntax</a>.</li>
1198 <li>&#8220;Ignore inserts&#8221; treats errors as a warning instead. Again, more info
1199 is provided in the <a class="reference external" href="http://dev.mysql.com/doc/mysql/en/insert.html">MySQL manual - INSERT Syntax</a>, but basically with
1200 this selected, invalid values are adjusted and inserted rather than
1201 causing the entire statement to fail.</li>
1202 </ul>
1203 </div>
1204 <div class="section" id="i-would-like-to-create-a-database-with-a-dot-in-its-name">
1205 <span id="faq6-13"></span><h3>6.13 I would like to create a database with a dot in its name.<a class="headerlink" href="#i-would-like-to-create-a-database-with-a-dot-in-its-name" title="Permalink to this headline"></a></h3>
1206 <p>This is a bad idea, because in MySQL the syntax &#8220;database.table&#8221; is
1207 the normal way to reference a database and table name. Worse, MySQL
1208 will usually let you create a database with a dot, but then you cannot
1209 work with it, nor delete it.</p>
1210 </div>
1211 <div class="section" id="faqsqlvalidator">
1212 <span id="id13"></span><h3>6.14 (withdrawn).<a class="headerlink" href="#faqsqlvalidator" title="Permalink to this headline"></a></h3>
1213 </div>
1214 <div class="section" id="i-want-to-add-a-blob-column-and-put-an-index-on-it-but-mysql-says-blob-column-used-in-key-specification-without-a-key-length">
1215 <span id="faq6-15"></span><h3>6.15 I want to add a BLOB column and put an index on it, but MySQL says &#8220;BLOB column &#8216;...&#8217; used in key specification without a key length&#8221;.<a class="headerlink" href="#i-want-to-add-a-blob-column-and-put-an-index-on-it-but-mysql-says-blob-column-used-in-key-specification-without-a-key-length" title="Permalink to this headline"></a></h3>
1216 <p>The right way to do this, is to create the column without any indexes,
1217 then display the table structure and use the &#8220;Create an index&#8221; dialog.
1218 On this page, you will be able to choose your BLOB column, and set a
1219 size to the index, which is the condition to create an index on a BLOB
1220 column.</p>
1221 </div>
1222 <div class="section" id="how-can-i-simply-move-in-page-with-plenty-editing-fields">
1223 <span id="faq6-16"></span><h3>6.16 How can I simply move in page with plenty editing fields?<a class="headerlink" href="#how-can-i-simply-move-in-page-with-plenty-editing-fields" title="Permalink to this headline"></a></h3>
1224 <p>You can use <tt class="kbd docutils literal"><span class="pre">Ctrl+arrows</span></tt> (<tt class="kbd docutils literal"><span class="pre">Option+Arrows</span></tt> in Safari) for moving on
1225 most pages with many editing fields (table structure changes, row editing,
1226 etc.).</p>
1227 </div>
1228 <div class="section" id="transformations-i-can-t-enter-my-own-mimetype-wtf-is-this-feature-then-useful-for">
1229 <span id="faq6-17"></span><h3>6.17 Transformations: I can&#8217;t enter my own mimetype! WTF is this feature then useful for?<a class="headerlink" href="#transformations-i-can-t-enter-my-own-mimetype-wtf-is-this-feature-then-useful-for" title="Permalink to this headline"></a></h3>
1230 <p>Slow down :). Defining mimetypes is of no use, if you can&#8217;t put
1231 transformations on them. Otherwise you could just put a comment on the
1232 column. Because entering your own mimetype will cause serious syntax
1233 checking issues and validation, this introduces a high-risk false-
1234 user-input situation. Instead you have to initialize mimetypes using
1235 functions or empty mimetype definitions.</p>
1236 <p>Plus, you have a whole overview of available mimetypes. Who knows all those
1237 mimetypes by heart so he/she can enter it at will?</p>
1238 </div>
1239 <div class="section" id="bookmarks-where-can-i-store-bookmarks-why-can-t-i-see-any-bookmarks-below-the-query-box-what-are-these-variables-for">
1240 <span id="faqbookmark"></span><h3>6.18 Bookmarks: Where can I store bookmarks? Why can&#8217;t I see any bookmarks below the query box? What are these variables for?<a class="headerlink" href="#bookmarks-where-can-i-store-bookmarks-why-can-t-i-see-any-bookmarks-below-the-query-box-what-are-these-variables-for" title="Permalink to this headline"></a></h3>
1241 <p>Any query you have executed can be stored as a bookmark on the page
1242 where the results are displayed. You will find a button labeled
1243 &#8216;Bookmark this query&#8217; just at the end of the page. As soon as you have
1244 stored a bookmark, it is related to the database you run the query on.
1245 You can now access a bookmark dropdown on each page, the query box
1246 appears on for that database.</p>
1247 <p>You can also have, inside the query, placeholders for variables.
1248 This is done by inserting into the query SQL comments between <tt class="docutils literal"><span class="pre">/*</span></tt> and
1249 <tt class="docutils literal"><span class="pre">*/</span></tt>. Inside the comments, the special strings <tt class="docutils literal"><span class="pre">[VARIABLE{variable-number}]</span></tt> is used.
1250 Be aware that the whole query minus the SQL comments must be
1251 valid by itself, otherwise you won&#8217;t be able to store it as a bookmark.</p>
1252 <p>When you execute the bookmark, everything typed into the <em>Variables</em>
1253 input boxes on the query box page will replace the strings <tt class="docutils literal"><span class="pre">/*[VARIABLE{variable-number}]*/</span></tt> in
1254 your stored query.</p>
1255 <p>Also remember, that everything else inside the <tt class="docutils literal"><span class="pre">/*[VARIABLE{variable-number}]*/</span></tt> string for
1256 your query will remain the way it is, but will be stripped of the <tt class="docutils literal"><span class="pre">/**/</span></tt>
1257 chars. So you can use:</p>
1258 <div class="highlight-mysql"><div class="highlight"><pre><span class="cm">/*, [VARIABLE1] AS myname */</span>
1259 </pre></div>
1260 </div>
1261 <p>which will be expanded to</p>
1262 <div class="highlight-mysql"><div class="highlight"><pre><span class="p">,</span> <span class="n">VARIABLE1</span> <span class="k">as</span> <span class="n">myname</span>
1263 </pre></div>
1264 </div>
1265 <p>in your query, where VARIABLE1 is the string you entered in the Variable 1 input box.</p>
1266 <p>A more complex example. Say you have stored
1267 this query:</p>
1268 <div class="highlight-mysql"><div class="highlight"><pre><span class="k">SELECT</span> <span class="n">Name</span><span class="p">,</span> <span class="n">Address</span> <span class="k">FROM</span> <span class="n">addresses</span> <span class="k">WHERE</span> <span class="mi">1</span> <span class="cm">/* AND Name LIKE &#39;%[VARIABLE1]%&#39; */</span>
1269 </pre></div>
1270 </div>
1271 <p>Say, you now enter &#8220;phpMyAdmin&#8221; as the variable for the stored query, the full
1272 query will be:</p>
1273 <div class="highlight-mysql"><div class="highlight"><pre><span class="k">SELECT</span> <span class="n">Name</span><span class="p">,</span> <span class="n">Address</span> <span class="k">FROM</span> <span class="n">addresses</span> <span class="k">WHERE</span> <span class="mi">1</span> <span class="k">AND</span> <span class="n">Name</span> <span class="k">LIKE</span> <span class="s1">&#39;%phpMyAdmin%&#39;</span>
1274 </pre></div>
1275 </div>
1276 <p><strong>NOTE THE ABSENCE OF SPACES</strong> inside the <tt class="docutils literal"><span class="pre">/**/</span></tt> construct. Any spaces
1277 inserted there will be later also inserted as spaces in your query and may lead
1278 to unexpected results especially when using the variable expansion inside of a
1279 &#8220;LIKE &#8216;&#8217;&#8221; expression.</p>
1280 </div>
1281 <div class="section" id="how-can-i-create-simple-latex-document-to-include-exported-table">
1282 <span id="faq6-19"></span><h3>6.19 How can I create simple LATEX document to include exported table?<a class="headerlink" href="#how-can-i-create-simple-latex-document-to-include-exported-table" title="Permalink to this headline"></a></h3>
1283 <p>You can simply include table in your LATEX documents,
1284 minimal sample document should look like following one (assuming you
1285 have table exported in file <tt class="file docutils literal"><span class="pre">table.tex</span></tt>):</p>
1286 <div class="highlight-latex"><div class="highlight"><pre><span class="k">\documentclass</span><span class="nb">{</span>article<span class="nb">}</span> <span class="c">% or any class you want</span>
1287 <span class="k">\usepackage</span><span class="nb">{</span>longtable<span class="nb">}</span> <span class="c">% for displaying table</span>
1288 <span class="k">\begin</span><span class="nb">{</span>document<span class="nb">}</span> <span class="c">% start of document</span>
1289 <span class="k">\include</span><span class="nb">{</span>table<span class="nb">}</span> <span class="c">% including exported table</span>
1290 <span class="k">\end</span><span class="nb">{</span>document<span class="nb">}</span> <span class="c">% end of document</span>
1291 </pre></div>
1292 </div>
1293 </div>
1294 <div class="section" id="i-see-a-lot-of-databases-which-are-not-mine-and-cannot-access-them">
1295 <span id="faq6-20"></span><h3>6.20 I see a lot of databases which are not mine, and cannot access them.<a class="headerlink" href="#i-see-a-lot-of-databases-which-are-not-mine-and-cannot-access-them" title="Permalink to this headline"></a></h3>
1296 <p>You have one of these global privileges: CREATE TEMPORARY TABLES, SHOW
1297 DATABASES, LOCK TABLES. Those privileges also enable users to see all the
1298 database names. So if your users do not need those privileges, you can remove
1299 them and their databases list will shorten.</p>
1300 <div class="admonition seealso">
1301 <p class="first admonition-title">See also</p>
1302 <p class="last">&lt;<a class="reference external" href="http://bugs.mysql.com/179">http://bugs.mysql.com/179</a>&gt;</p>
1303 </div>
1304 </div>
1305 <div class="section" id="in-edit-insert-mode-how-can-i-see-a-list-of-possible-values-for-a-column-based-on-some-foreign-table">
1306 <span id="faq6-21"></span><h3>6.21 In edit/insert mode, how can I see a list of possible values for a column, based on some foreign table?<a class="headerlink" href="#in-edit-insert-mode-how-can-i-see-a-list-of-possible-values-for-a-column-based-on-some-foreign-table" title="Permalink to this headline"></a></h3>
1307 <p>You have to setup appropriate links between the tables, and also setup
1308 the &#8220;display column&#8221; in the foreign table. See <a class="reference internal" href="#faq6-6"><em>6.6 How can I use the relation table in Query-by-example?</em></a> for an
1309 example. Then, if there are 100 values or less in the foreign table, a
1310 drop-down list of values will be available. You will see two lists of
1311 values, the first list containing the key and the display column, the
1312 second list containing the display column and the key. The reason for
1313 this is to be able to type the first letter of either the key or the
1314 display column. For 100 values or more, a distinct window will appear,
1315 to browse foreign key values and choose one. To change the default
1316 limit of 100, see <span class="target" id="index-26"></span><a class="reference internal" href="config.html#cfg_ForeignKeyMaxLimit"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['ForeignKeyMaxLimit']</span></tt></a>.</p>
1317 </div>
1318 <div class="section" id="bookmarks-can-i-execute-a-default-bookmark-automatically-when-entering-browse-mode-for-a-table">
1319 <span id="faq6-22"></span><h3>6.22 Bookmarks: Can I execute a default bookmark automatically when entering Browse mode for a table?<a class="headerlink" href="#bookmarks-can-i-execute-a-default-bookmark-automatically-when-entering-browse-mode-for-a-table" title="Permalink to this headline"></a></h3>
1320 <p>Yes. If a bookmark has the same label as a table name and it&#8217;s not a
1321 public bookmark, it will be executed.</p>
1322 </div>
1323 <div class="section" id="export-i-heard-phpmyadmin-can-export-microsoft-excel-files">
1324 <span id="faq6-23"></span><h3>6.23 Export: I heard phpMyAdmin can export Microsoft Excel files?<a class="headerlink" href="#export-i-heard-phpmyadmin-can-export-microsoft-excel-files" title="Permalink to this headline"></a></h3>
1325 <p>You can use <a class="reference internal" href="glossary.html#term-csv"><em class="xref std std-term">CSV</em></a> for Microsoft Excel,
1326 which works out of the box.</p>
1327 <div class="versionchanged">
1328 <p><span class="versionmodified">Changed in version 3.4.5: </span>Since phpMyAdmin 3.4.5 support for direct export to Microsoft Excel version
1329 97 and newer was dropped.</p>
1330 </div>
1331 </div>
1332 <div class="section" id="now-that-phpmyadmin-supports-native-mysql-4-1-x-column-comments-what-happens-to-my-column-comments-stored-in-pmadb">
1333 <span id="faq6-24"></span><h3>6.24 Now that phpMyAdmin supports native MySQL 4.1.x column comments, what happens to my column comments stored in pmadb?<a class="headerlink" href="#now-that-phpmyadmin-supports-native-mysql-4-1-x-column-comments-what-happens-to-my-column-comments-stored-in-pmadb" title="Permalink to this headline"></a></h3>
1334 <p>Automatic migration of a table&#8217;s pmadb-style column comments to the
1335 native ones is done whenever you enter Structure page for this table.</p>
1336 </div>
1337 <div class="section" id="faq6-25">
1338 <span id="id14"></span><h3>6.25 (withdrawn).<a class="headerlink" href="#faq6-25" title="Permalink to this headline"></a></h3>
1339 </div>
1340 <div class="section" id="how-can-i-select-a-range-of-rows">
1341 <span id="faq6-26"></span><h3>6.26 How can I select a range of rows?<a class="headerlink" href="#how-can-i-select-a-range-of-rows" title="Permalink to this headline"></a></h3>
1342 <p>Click the first row of the range, hold the shift key and click the
1343 last row of the range. This works everywhere you see rows, for example
1344 in Browse mode or on the Structure page.</p>
1345 </div>
1346 <div class="section" id="what-format-strings-can-i-use">
1347 <span id="faq6-27"></span><h3>6.27 What format strings can I use?<a class="headerlink" href="#what-format-strings-can-i-use" title="Permalink to this headline"></a></h3>
1348 <p>In all places where phpMyAdmin accepts format strings, you can use
1349 <tt class="docutils literal"><span class="pre">&#64;VARIABLE&#64;</span></tt> expansion and <a class="reference external" href="http://php.net/strftime">strftime</a>
1350 format strings. The expanded variables depend on a context (for
1351 example, if you haven&#8217;t chosen a table, you can not get the table
1352 name), but the following variables can be used:</p>
1353 <dl class="docutils">
1354 <dt><tt class="docutils literal"><span class="pre">&#64;HTTP_HOST&#64;</span></tt></dt>
1355 <dd>HTTP host that runs phpMyAdmin</dd>
1356 <dt><tt class="docutils literal"><span class="pre">&#64;SERVER&#64;</span></tt></dt>
1357 <dd>MySQL server name</dd>
1358 <dt><tt class="docutils literal"><span class="pre">&#64;VERBOSE&#64;</span></tt></dt>
1359 <dd>Verbose MySQL server name as defined in <span class="target" id="index-27"></span><a class="reference internal" href="config.html#cfg_Servers_verbose"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['Servers'][$i]['verbose']</span></tt></a></dd>
1360 <dt><tt class="docutils literal"><span class="pre">&#64;VSERVER&#64;</span></tt></dt>
1361 <dd>Verbose MySQL server name if set, otherwise normal</dd>
1362 <dt><tt class="docutils literal"><span class="pre">&#64;DATABASE&#64;</span></tt></dt>
1363 <dd>Currently opened database</dd>
1364 <dt><tt class="docutils literal"><span class="pre">&#64;TABLE&#64;</span></tt></dt>
1365 <dd>Currently opened table</dd>
1366 <dt><tt class="docutils literal"><span class="pre">&#64;COLUMNS&#64;</span></tt></dt>
1367 <dd>Columns of the currently opened table</dd>
1368 <dt><tt class="docutils literal"><span class="pre">&#64;PHPMYADMIN&#64;</span></tt></dt>
1369 <dd>phpMyAdmin with version</dd>
1370 </dl>
1371 </div>
1372 <div class="section" id="how-can-i-easily-edit-relational-schema-for-export">
1373 <span id="wysiwyg"></span><h3>6.28 How can I easily edit relational schema for export?<a class="headerlink" href="#how-can-i-easily-edit-relational-schema-for-export" title="Permalink to this headline"></a></h3>
1374 <p>By clicking on the button &#8216;toggle scratchboard&#8217; on the page where you
1375 edit x/y coordinates of those elements you can activate a scratchboard
1376 where all your elements are placed. By clicking on an element, you can
1377 move them around in the pre-defined area and the x/y coordinates will
1378 get updated dynamically. Likewise, when entering a new position
1379 directly into the input field, the new position in the scratchboard
1380 changes after your cursor leaves the input field.</p>
1381 <p>You have to click on the &#8216;OK&#8217;-button below the tables to save the new
1382 positions. If you want to place a new element, first add it to the
1383 table of elements and then you can drag the new element around.</p>
1384 <p>By changing the paper size and the orientation you can change the size
1385 of the scratchboard as well. You can do so by just changing the
1386 dropdown field below, and the scratchboard will resize automatically,
1387 without interfering with the current placement of the elements.</p>
1388 <p>If ever an element gets out of range you can either enlarge the paper
1389 size or click on the &#8216;reset&#8217; button to place all elements below each
1390 other.</p>
1391 </div>
1392 <div class="section" id="why-can-t-i-get-a-chart-from-my-query-result-table">
1393 <span id="faq6-29"></span><h3>6.29 Why can&#8217;t I get a chart from my query result table?<a class="headerlink" href="#why-can-t-i-get-a-chart-from-my-query-result-table" title="Permalink to this headline"></a></h3>
1394 <p>Not every table can be put to the chart. Only tables with one, two or
1395 three columns can be visualised as a chart. Moreover the table must be
1396 in a special format for chart script to understand it. Currently
1397 supported formats can be found in the <a class="reference external" href="http://wiki.phpmyadmin.net/pma/Charts#Data_formats_for_query_results_chart">wiki</a>.</p>
1398 </div>
1399 <div class="section" id="import-how-can-i-import-esri-shapefiles">
1400 <span id="faq6-30"></span><h3>6.30 Import: How can I import ESRI Shapefiles?<a class="headerlink" href="#import-how-can-i-import-esri-shapefiles" title="Permalink to this headline"></a></h3>
1401 <p>An ESRI Shapefile is actually a set of several files, where .shp file
1402 contains geometry data and .dbf file contains data related to those
1403 geometry data. To read data from .dbf file you need to have PHP
1404 compiled with the dBase extension (&#8211;enable-dbase). Otherwise only
1405 geometry data will be imported.</p>
1406 <p>To upload these set of files you can use either of the following
1407 methods:</p>
1408 <p>Configure upload directory with <span class="target" id="index-28"></span><a class="reference internal" href="config.html#cfg_UploadDir"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['UploadDir']</span></tt></a>, upload both .shp and .dbf files with
1409 the same filename and chose the .shp file from the import page.</p>
1410 <p>Create a Zip archive with .shp and .dbf files and import it. For this
1411 to work, you need to set <span class="target" id="index-29"></span><a class="reference internal" href="config.html#cfg_TempDir"><tt class="xref config config-option docutils literal"><span class="pre">$cfg['TempDir']</span></tt></a> to a place where the web server user can
1412 write (for example <tt class="docutils literal"><span class="pre">'./tmp'</span></tt>).</p>
1413 <p>To create the temporary directory on a UNIX-based system, you can do:</p>
1414 <div class="highlight-sh"><div class="highlight"><pre><span class="nb">cd </span>phpMyAdmin
1415 mkdir tmp
1416 chmod o+rwx tmp
1417 </pre></div>
1418 </div>
1419 </div>
1420 <div class="section" id="how-do-i-create-a-relation-in-designer">
1421 <span id="faq6-31"></span><h3>6.31 How do I create a relation in designer?<a class="headerlink" href="#how-do-i-create-a-relation-in-designer" title="Permalink to this headline"></a></h3>
1422 <p>To select relation, click: The display column is shown in pink. To
1423 set/unset a column as the display column, click the &#8220;Choose column to
1424 display&#8221; icon, then click on the appropriate column name.</p>
1425 </div>
1426 <div class="section" id="how-can-i-use-the-zoom-search-feature">
1427 <span id="faq6-32"></span><h3>6.32 How can I use the zoom search feature?<a class="headerlink" href="#how-can-i-use-the-zoom-search-feature" title="Permalink to this headline"></a></h3>
1428 <p>The Zoom search feature is an alternative to table search feature. It allows
1429 you to explore a table by representing its data in a scatter plot. You can
1430 locate this feature by selecting a table and clicking the <em class="guilabel">Search</em>
1431 tab. One of the sub-tabs in the <em class="guilabel">Table Search</em> page is
1432 <em class="guilabel">Zoom Search</em>.</p>
1433 <p>Consider the table REL_persons in <a class="reference internal" href="#faq6-6"><em>6.6 How can I use the relation table in Query-by-example?</em></a> for
1434 an example. To use zoom search, two columns need to be selected, for
1435 example, id and town_code. The id values will be represented on one
1436 axis and town_code values on the other axis. Each row will be
1437 represented as a point in a scatter plot based on its id and
1438 town_code. You can include two additional search criteria apart from
1439 the two fields to display.</p>
1440 <p>You can choose which field should be
1441 displayed as label for each point. If a display column has been set
1442 for the table (see <a class="reference internal" href="#faqdisplay"><em>6.7 How can I use the &#8220;display column&#8221; feature?</em></a>), it is taken as the label unless
1443 you specify otherwise. You can also select the maximum number of rows
1444 you want to be displayed in the plot by specifing it in the &#8216;Max rows
1445 to plot&#8217; field. Once you have decided over your criteria, click &#8216;Go&#8217;
1446 to display the plot.</p>
1447 <p>After the plot is generated, you can use the
1448 mousewheel to zoom in and out of the plot. In addition, panning
1449 feature is enabled to navigate through the plot. You can zoom-in to a
1450 certain level of detail and use panning to locate your area of
1451 interest. Clicking on a point opens a dialogue box, displaying field
1452 values of the data row represented by the point. You can edit the
1453 values if required and click on submit to issue an update query. Basic
1454 instructions on how to use can be viewed by clicking the &#8216;How to use?&#8217;
1455 link located just above the plot.</p>
1456 </div>
1457 <div class="section" id="when-browsing-a-table-how-can-i-copy-a-column-name">
1458 <span id="faq6-33"></span><h3>6.33 When browsing a table, how can I copy a column name?<a class="headerlink" href="#when-browsing-a-table-how-can-i-copy-a-column-name" title="Permalink to this headline"></a></h3>
1459 <p>Selecting the name of the column within the browse table header cell
1460 for copying is difficult, as the columns support reordering by
1461 dragging the header cells as well as sorting by clicking on the linked
1462 column name. To copy a column name, double-click on the empty area
1463 next to the column name, when the tooltip tells you to do so. This
1464 will show you an input box with the column name. You may right-click
1465 the column name within this input box to copy it to your clipboard.</p>
1466 </div>
1467 <div class="section" id="how-can-i-use-the-favorite-tables-feature">
1468 <span id="faq6-34"></span><h3>6.34 How can I use the Favorite Tables feature?<a class="headerlink" href="#how-can-i-use-the-favorite-tables-feature" title="Permalink to this headline"></a></h3>
1469 <p>Favorite Tables feature is very much similar to Recent Tables feature.
1470 It allows you to add a shortcut for the frequently used tables of any
1471 database in the navigation panel . You can easily navigate to any table
1472 in the list by simply choosing it from the list. These tables are stored
1473 in your browser&#8217;s local storage if you have not configured your
1474 <cite>phpMyAdmin Configuration Storage</cite>. Otherwise these entries are stored in
1475 <cite>phpMyAdmin Configuration Storage</cite>.</p>
1476 <p>IMPORTANT: In absence of <cite>phpMyAdmin Configuration Storage</cite>, your Favorite
1477 tables may be different in different browsers based on your different
1478 selections in them.</p>
1479 <p>To add a table to Favorite list simply click on the <cite>Gray</cite> star in front
1480 of a table name in the list of tables of a Database and wait until it
1481 turns to <cite>Yellow</cite>.
1482 To remove a table from list, simply click on the <cite>Yellow</cite> star and
1483 wait until it turns <cite>Gray</cite> again.</p>
1484 <p>Using <span class="target" id="index-30"></span><tt class="xref config config-option docutils literal"><span class="pre">$cfg['NumFavoriteTables']</span></tt> in your <tt class="file docutils literal"><span class="pre">config.inc.php</span></tt>
1485 file, you can define the maximum number of favorite tables shown in the
1486 navigation panel. Its default value is <cite>10</cite>.</p>
1487 </div>
1488 <div class="section" id="how-can-i-use-the-range-search-feature">
1489 <span id="faq6-35"></span><h3>6.35 How can I use the Range search feature?<a class="headerlink" href="#how-can-i-use-the-range-search-feature" title="Permalink to this headline"></a></h3>
1490 <p>With the help of range search feature, one can specify a range of values for
1491 particular column(s) while performing search operation on a table from the <cite>Search</cite>
1492 tab.</p>
1493 <p>To use this feature simply click on the <cite>BETWEEN</cite> or <cite>NOT BETWEEN</cite> operators
1494 from the operator select list in front of the column name. On choosing one of the
1495 above options, a dialog box will show up asking for the <cite>Minimum</cite> and <cite>Maximum</cite>
1496 value for that column. Only the specified range of values will be included
1497 in case of <cite>BETWEEN</cite> and excluded in case of <cite>NOT BETWEEN</cite> from the final results.</p>
1498 <p>Note: The Range search feature will work only <cite>Numeric</cite> and <cite>Date</cite> data type columns.</p>
1499 </div>
1500 <div class="section" id="what-is-central-columns-and-how-can-i-use-this-feature">
1501 <span id="faq6-36"></span><h3>6.36 What is Central columns and How can I use this feature?<a class="headerlink" href="#what-is-central-columns-and-how-can-i-use-this-feature" title="Permalink to this headline"></a></h3>
1502 <p>As the name suggests, the Central columns feature enables to maintain a central list of
1503 columns per database to avoid similar name for the same data element and bring consistency
1504 of data type for the same data element. You can use the central list of columns to
1505 add an element to any table structure in that database which will save from writing
1506 similar column name and column definition.</p>
1507 <p>To add a column to central list, go to table structure page, check the columns you want
1508 to include and then simply click on &#8220;Add to central columns&#8221;. If you want to add all
1509 unique columns from more than one table from a database then go to database structure page,
1510 check the tables you want to include and then select &#8220;Add columns to central list&#8221;.</p>
1511 <p>To remove a column from central list, go to Table structure page, check the columns you want
1512 to remove and then simply click on &#8220;Remove from central columns&#8221;. If you want to remove all
1513 columns from more than one tables from a database then go to database structure page,
1514 check the tables you want to include and then select &#8220;Remove columns from central list&#8221;.</p>
1515 <p>To view and manage the central list, select the database you want to manage central columns
1516 for then from the top menu click on &#8220;Central columns&#8221;. You will be taken to a page where
1517 you will have options to edit, delete or add new columns to central list.</p>
1518 </div>
1519 <div class="section" id="how-can-i-use-improve-table-structure-feature">
1520 <span id="faq6-37"></span><h3>6.37 How can I use Improve Table structure feature?<a class="headerlink" href="#how-can-i-use-improve-table-structure-feature" title="Permalink to this headline"></a></h3>
1521 <p>Improve table structure feature helps to bring the table structure upto
1522 Third Normal Form. A wizard is presented to user which asks questions about the
1523 elements during the various steps for normalization and a new structure is proposed
1524 accordingly to bring the table into the First/Second/Third Normal form.
1525 On startup of the wizard, user gets to select upto what normal form they want to
1526 normalize the table structure.</p>
1527 <p>Here is an example table which you can use to test all of the three First, Second and
1528 Third Normal Form.</p>
1529 <div class="highlight-mysql"><div class="highlight"><pre><span class="k">CREATE</span> <span class="k">TABLE</span> <span class="ss">`VetOffice`</span> <span class="p">(</span>
1530 <span class="ss">`petName`</span> <span class="kt">varchar</span><span class="p">(</span><span class="mi">64</span><span class="p">)</span> <span class="k">NOT</span> <span class="no">NULL</span><span class="p">,</span>
1531 <span class="ss">`petBreed`</span> <span class="kt">varchar</span><span class="p">(</span><span class="mi">64</span><span class="p">)</span> <span class="k">NOT</span> <span class="no">NULL</span><span class="p">,</span>
1532 <span class="ss">`petType`</span> <span class="kt">varchar</span><span class="p">(</span><span class="mi">64</span><span class="p">)</span> <span class="k">NOT</span> <span class="no">NULL</span><span class="p">,</span>
1533 <span class="ss">`petDOB`</span> <span class="kt">date</span> <span class="k">NOT</span> <span class="no">NULL</span><span class="p">,</span>
1534 <span class="ss">`ownerLastName`</span> <span class="kt">varchar</span><span class="p">(</span><span class="mi">64</span><span class="p">)</span> <span class="k">NOT</span> <span class="no">NULL</span><span class="p">,</span>
1535 <span class="ss">`ownerFirstName`</span> <span class="kt">varchar</span><span class="p">(</span><span class="mi">64</span><span class="p">)</span> <span class="k">NOT</span> <span class="no">NULL</span><span class="p">,</span>
1536 <span class="ss">`ownerPhone1`</span> <span class="kt">int</span><span class="p">(</span><span class="mi">12</span><span class="p">)</span> <span class="k">NOT</span> <span class="no">NULL</span><span class="p">,</span>
1537 <span class="ss">`ownerPhone2`</span> <span class="kt">int</span><span class="p">(</span><span class="mi">12</span><span class="p">)</span> <span class="k">NOT</span> <span class="no">NULL</span><span class="p">,</span>
1538 <span class="ss">`ownerEmail`</span> <span class="kt">varchar</span><span class="p">(</span><span class="mi">64</span><span class="p">)</span> <span class="k">NOT</span> <span class="no">NULL</span><span class="p">,</span>
1539 <span class="p">);</span>
1540 </pre></div>
1541 </div>
1542 <p>The above table is not in First normal Form as no primary key exists. Primary key
1543 is supposed to be (<cite>petName</cite>,`ownerLastName`,`ownerFirstName`) . If the primary key
1544 is chosen as suggested the resultant table won&#8217;t be in Second as well as Third Normal
1545 form as the following dependencies exists.</p>
1546 <div class="highlight-mysql"><div class="highlight"><pre><span class="p">(</span><span class="n">OwnerLastName</span><span class="p">,</span> <span class="n">OwnerFirstName</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="nf">OwnerEmail</span>
1547 <span class="p">(</span><span class="n">OwnerLastName</span><span class="p">,</span> <span class="n">OwnerFirstName</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="n">OwnerPhone</span>
1548 <span class="n">PetBreed</span> <span class="o">-&gt;</span> <span class="n">PetType</span>
1549 </pre></div>
1550 </div>
1551 <p>Which says, OwnerEmail depends on OwnerLastName and OwnerFirstName.
1552 OwnerPhone depends on OwnerLastName and OwnerFirstName.
1553 PetType depends on PetBreed.</p>
1554 </div>
1555 <div class="section" id="how-can-i-reassign-auto-incremented-values">
1556 <span id="faq6-38"></span><h3>6.38 How can I reassign auto-incremented values?<a class="headerlink" href="#how-can-i-reassign-auto-incremented-values" title="Permalink to this headline"></a></h3>
1557 <p>Some users prefer their AUTO_INCREMENT values to be consecutive; this is not
1558 always the case after row deletion.</p>
1559 <p>Here are the steps to accomplish this. These are manual steps because they
1560 involve a manual verification at one point.</p>
1561 <ul class="simple">
1562 <li>Ensure that you have exclusive access to the table to rearrange</li>
1563 <li>On your primary key column (i.e. id), remove the AUTO_INCREMENT setting</li>
1564 <li>Delete your primary key in Structure &gt; indexes</li>
1565 <li>Create a new column future_id as primary key, AUTO_INCREMENT</li>
1566 <li>Browse your table and verify that the new increments correspond to what
1567 you&#8217;re expecting</li>
1568 <li>Drop your old id column</li>
1569 <li>Rename the future_id column to id</li>
1570 <li>Move the new id column via Structure &gt; Move columns</li>
1571 </ul>
1572 </div>
1573 <div class="section" id="what-is-the-adjust-privileges-option-when-renaming-copying-or-moving-a-database-table-column-or-procedure">
1574 <span id="faq6-39"></span><h3>6.39 What is the &#8220;Adjust privileges&#8221; option when renaming, copying, or moving a database, table, column, or procedure?<a class="headerlink" href="#what-is-the-adjust-privileges-option-when-renaming-copying-or-moving-a-database-table-column-or-procedure" title="Permalink to this headline"></a></h3>
1575 <p>When renaming/copying/moving a database/table/column/procedure,
1576 MySQL does not adjust the original privileges relating to these objects
1577 on its own. By selecting this option, phpMyAdmin will adjust the privilege
1578 table so that users have the same privileges on the new items.</p>
1579 <p>For example: A user <a class="reference external" href="mailto:'bob'&#37;&#52;&#48;'localhost">'bob'<span>&#64;</span>'localhost</a>&#8216; has a &#8216;SELECT&#8217; privilege on a
1580 column named &#8216;id&#8217;. Now, if this column is renamed to &#8216;id_new&#8217;, MySQL,
1581 on its own, would <strong>not</strong> adjust the column privileges to the new column name.
1582 phpMyAdmin can make this adjustment for you automatically.</p>
1583 <p>Notes:</p>
1584 <ul class="simple">
1585 <li>While adjusting privileges for a database, the privileges of all
1586 database-related elements (tables, columns and procedures) are also adjusted
1587 to the database&#8217;s new name.</li>
1588 <li>Similarly, while adjusting privileges for a table, the privileges of all
1589 the columns inside the new table are also adjusted.</li>
1590 <li>While adjusting privileges, the user performing the operation <strong>must</strong> have the following
1591 privileges:<ul>
1592 <li>SELECT, INSERT, UPDATE, DELETE privileges on following tables:
1593 <cite>mysql</cite>.`db`, <cite>mysql</cite>.`columns_priv`, <cite>mysql</cite>.`tables_priv`, <cite>mysql</cite>.`procs_priv`</li>
1594 <li>FLUSH privilege (GLOBAL)</li>
1595 </ul>
1596 </li>
1597 </ul>
1598 <p>Thus, if you want to replicate the database/table/column/procedure as it is
1599 while renaming/copying/moving these objects, make sure you have checked this option.</p>
1600 </div>
1601 <div class="section" id="i-see-bind-parameters-checkbox-in-the-sql-page-how-do-i-write-parameterized-sql-queries">
1602 <span id="faq6-40"></span><h3>6.40 I see &#8220;Bind parameters&#8221; checkbox in the &#8220;SQL&#8221; page. How do I write parameterized SQL queries?<a class="headerlink" href="#i-see-bind-parameters-checkbox-in-the-sql-page-how-do-i-write-parameterized-sql-queries" title="Permalink to this headline"></a></h3>
1603 <p>From version 4.5, phpMyAdmin allows users to execute parameterized queries in the &#8220;SQL&#8221; page.
1604 Parameters should be prefixed with a colon(:) and when the &#8220;Bind parameters&#8221; checkbox is checked
1605 these parameters will be identified and input fields for these parameters will be presented.
1606 Values entered in these field will be substituted in the query before being executed.</p>
1607 </div>
1608 </div>
1609 <div class="section" id="phpmyadmin-project">
1610 <span id="faqproject"></span><h2>phpMyAdmin project<a class="headerlink" href="#phpmyadmin-project" title="Permalink to this headline"></a></h2>
1611 <div class="section" id="i-have-found-a-bug-how-do-i-inform-developers">
1612 <span id="faq7-1"></span><h3>7.1 I have found a bug. How do I inform developers?<a class="headerlink" href="#i-have-found-a-bug-how-do-i-inform-developers" title="Permalink to this headline"></a></h3>
1613 <p>Our issues tracker is located at &lt;<a class="reference external" href="https://github.com/phpmyadmin/phpmyadmin/issues">https://github.com/phpmyadmin/phpmyadmin/issues</a>&gt;.</p>
1614 </div>
1615 <div class="section" id="i-want-to-translate-the-messages-to-a-new-language-or-upgrade-an-existing-language-where-do-i-start">
1616 <span id="faq7-2"></span><h3>7.2 I want to translate the messages to a new language or upgrade an existing language, where do I start?<a class="headerlink" href="#i-want-to-translate-the-messages-to-a-new-language-or-upgrade-an-existing-language-where-do-i-start" title="Permalink to this headline"></a></h3>
1617 <p>Translations are very welcome and all you need to have are the
1618 language skills. The easiest way is to use our <a class="reference external" href="https://hosted.weblate.org/projects/phpmyadmin/">online translation
1619 service</a>. You can check
1620 out all the possibilities to translate in the <a class="reference external" href="https://www.phpmyadmin.net/translate/">translate section on
1621 our website</a>.</p>
1622 </div>
1623 <div class="section" id="i-would-like-to-help-out-with-the-development-of-phpmyadmin-how-should-i-proceed">
1624 <span id="faq7-3"></span><h3>7.3 I would like to help out with the development of phpMyAdmin. How should I proceed?<a class="headerlink" href="#i-would-like-to-help-out-with-the-development-of-phpmyadmin-how-should-i-proceed" title="Permalink to this headline"></a></h3>
1625 <p>We welcome every contribution to the development of phpMyAdmin. You
1626 can check out all the possibilities to contribute in the <a class="reference external" href="https://www.phpmyadmin.net/contribute/">contribute
1627 section on our website</a>.</p>
1628 <div class="admonition seealso">
1629 <p class="first admonition-title">See also</p>
1630 <p class="last"><a class="reference internal" href="developers.html#developers"><em>Developers Information</em></a></p>
1631 </div>
1632 </div>
1633 </div>
1634 <div class="section" id="security">
1635 <span id="faqsecurity"></span><h2>Security<a class="headerlink" href="#security" title="Permalink to this headline"></a></h2>
1636 <div class="section" id="where-can-i-get-information-about-the-security-alerts-issued-for-phpmyadmin">
1637 <span id="faq8-1"></span><h3>8.1 Where can I get information about the security alerts issued for phpMyAdmin?<a class="headerlink" href="#where-can-i-get-information-about-the-security-alerts-issued-for-phpmyadmin" title="Permalink to this headline"></a></h3>
1638 <p>Please refer to &lt;<a class="reference external" href="https://www.phpmyadmin.net/security/">https://www.phpmyadmin.net/security/</a>&gt;.</p>
1639 </div>
1640 <div class="section" id="how-can-i-protect-phpmyadmin-against-brute-force-attacks">
1641 <span id="faq8-2"></span><h3>8.2 How can I protect phpMyAdmin against brute force attacks?<a class="headerlink" href="#how-can-i-protect-phpmyadmin-against-brute-force-attacks" title="Permalink to this headline"></a></h3>
1642 <p>If you use Apache web server, phpMyAdmin exports information about
1643 authentication to the Apache environment and it can be used in Apache
1644 logs. Currently there are two variables available:</p>
1645 <dl class="docutils">
1646 <dt><tt class="docutils literal"><span class="pre">userID</span></tt></dt>
1647 <dd>User name of currently active user (he does not have to be logged in).</dd>
1648 <dt><tt class="docutils literal"><span class="pre">userStatus</span></tt></dt>
1649 <dd>Status of currently active user, one of <tt class="docutils literal"><span class="pre">ok</span></tt> (user is logged in),
1650 <tt class="docutils literal"><span class="pre">mysql-denied</span></tt> (MySQL denied user login), <tt class="docutils literal"><span class="pre">allow-denied</span></tt> (user denied
1651 by allow/deny rules), <tt class="docutils literal"><span class="pre">root-denied</span></tt> (root is denied in configuration),
1652 <tt class="docutils literal"><span class="pre">empty-denied</span></tt> (empty password is denied).</dd>
1653 </dl>
1654 <p><tt class="docutils literal"><span class="pre">LogFormat</span></tt> directive for Apache can look like following:</p>
1655 <div class="highlight-apache"><div class="highlight"><pre><span class="nb">LogFormat</span> <span class="s2">&quot;%h %l %u %t \&quot;%r\&quot; %&gt;s %b \&quot;%{Referer}i\&quot; \&quot;%{User-Agent}i\&quot; %{userID}n %{userStatus}n&quot;</span> pma_combined
1656 </pre></div>
1657 </div>
1658 <p>You can then use any log analyzing tools to detect possible break-in
1659 attempts.</p>
1660 </div>
1661 </div>
1662 <div class="section" id="synchronization">
1663 <span id="faqsynchronization"></span><h2>Synchronization<a class="headerlink" href="#synchronization" title="Permalink to this headline"></a></h2>
1664 <div class="section" id="faq9-1">
1665 <span id="id15"></span><h3>9.1 (withdrawn).<a class="headerlink" href="#faq9-1" title="Permalink to this headline"></a></h3>
1666 </div>
1667 <div class="section" id="faq9-2">
1668 <span id="id16"></span><h3>9.2 (withdrawn).<a class="headerlink" href="#faq9-2" title="Permalink to this headline"></a></h3>
1669 </div>
1670 </div>
1671 </div>
1674 </div>
1675 </div>
1676 </div>
1677 <div class="sphinxsidebar">
1678 <div class="sphinxsidebarwrapper">
1679 <h3><a href="index.html">Table Of Contents</a></h3>
1680 <ul>
1681 <li><a class="reference internal" href="#">FAQ - Frequently Asked Questions</a><ul>
1682 <li><a class="reference internal" href="#server">Server</a><ul>
1683 <li><a class="reference internal" href="#my-server-is-crashing-each-time-a-specific-action-is-required-or-phpmyadmin-sends-a-blank-page-or-a-page-full-of-cryptic-characters-to-my-browser-what-can-i-do">1.1 My server is crashing each time a specific action is required or phpMyAdmin sends a blank page or a page full of cryptic characters to my browser, what can I do?</a></li>
1684 <li><a class="reference internal" href="#my-apache-server-crashes-when-using-phpmyadmin">1.2 My Apache server crashes when using phpMyAdmin.</a></li>
1685 <li><a class="reference internal" href="#withdrawn">1.3 (withdrawn).</a></li>
1686 <li><a class="reference internal" href="#using-phpmyadmin-on-iis-i-m-displayed-the-error-message-the-specified-cgi-application-misbehaved-by-not-returning-a-complete-set-of-http-headers">1.4 Using phpMyAdmin on IIS, I&#8217;m displayed the error message: &#8220;The specified CGI application misbehaved by not returning a complete set of HTTP headers ...&#8221;.</a></li>
1687 <li><a class="reference internal" href="#using-phpmyadmin-on-iis-i-m-facing-crashes-and-or-many-error-messages-with-the-http">1.5 Using phpMyAdmin on IIS, I&#8217;m facing crashes and/or many error messages with the HTTP.</a></li>
1688 <li><a class="reference internal" href="#i-can-t-use-phpmyadmin-on-pws-nothing-is-displayed">1.6 I can&#8217;t use phpMyAdmin on PWS: nothing is displayed!</a></li>
1689 <li><a class="reference internal" href="#how-can-i-gzip-a-dump-or-a-csv-export-it-does-not-seem-to-work">1.7 How can I GZip a dump or a CSV export? It does not seem to work.</a></li>
1690 <li><a class="reference internal" href="#i-cannot-insert-a-text-file-in-a-table-and-i-get-an-error-about-safe-mode-being-in-effect">1.8 I cannot insert a text file in a table, and I get an error about safe mode being in effect.</a></li>
1691 <li><a class="reference internal" href="#faq1-9">1.9 (withdrawn).</a></li>
1692 <li><a class="reference internal" href="#i-m-having-troubles-when-uploading-files-with-phpmyadmin-running-on-a-secure-server-my-browser-is-internet-explorer-and-i-m-using-the-apache-server">1.10 I&#8217;m having troubles when uploading files with phpMyAdmin running on a secure server. My browser is Internet Explorer and I&#8217;m using the Apache server.</a></li>
1693 <li><a class="reference internal" href="#i-get-an-open-basedir-restriction-while-uploading-a-file-from-the-query-box">1.11 I get an &#8216;open_basedir restriction&#8217; while uploading a file from the query box.</a></li>
1694 <li><a class="reference internal" href="#i-have-lost-my-mysql-root-password-what-can-i-do">1.12 I have lost my MySQL root password, what can I do?</a></li>
1695 <li><a class="reference internal" href="#faq1-13">1.13 (withdrawn).</a></li>
1696 <li><a class="reference internal" href="#faq1-14">1.14 (withdrawn).</a></li>
1697 <li><a class="reference internal" href="#i-have-problems-with-mysql-user-column-names">1.15 I have problems with <em>mysql.user</em> column names.</a></li>
1698 <li><a class="reference internal" href="#i-cannot-upload-big-dump-files-memory-http-or-timeout-problems">1.16 I cannot upload big dump files (memory, HTTP or timeout problems).</a></li>
1699 <li><a class="reference internal" href="#which-database-versions-does-phpmyadmin-support">1.17 Which Database versions does phpMyAdmin support?</a></li>
1700 <li><a class="reference internal" href="#a-i-cannot-connect-to-the-mysql-server-it-always-returns-the-error-message-client-does-not-support-authentication-protocol-requested-by-server-consider-upgrading-mysql-client">1.17a I cannot connect to the MySQL server. It always returns the error message, &#8220;Client does not support authentication protocol requested by server; consider upgrading MySQL client&#8221;</a></li>
1701 <li><a class="reference internal" href="#faq1-18">1.18 (withdrawn).</a></li>
1702 <li><a class="reference internal" href="#i-can-t-run-the-display-relations-feature-because-the-script-seems-not-to-know-the-font-face-i-m-using">1.19 I can&#8217;t run the &#8220;display relations&#8221; feature because the script seems not to know the font face I&#8217;m using!</a></li>
1703 <li><a class="reference internal" href="#i-receive-an-error-about-missing-mysqli-and-mysql-extensions">1.20 I receive an error about missing mysqli and mysql extensions.</a></li>
1704 <li><a class="reference internal" href="#i-am-running-the-cgi-version-of-php-under-unix-and-i-cannot-log-in-using-cookie-auth">1.21 I am running the CGI version of PHP under Unix, and I cannot log in using cookie auth.</a></li>
1705 <li><a class="reference internal" href="#i-don-t-see-the-location-of-text-file-field-so-i-cannot-upload">1.22 I don&#8217;t see the &#8220;Location of text file&#8221; field, so I cannot upload.</a></li>
1706 <li><a class="reference internal" href="#i-m-running-mysql-on-a-win32-machine-each-time-i-create-a-new-table-the-table-and-column-names-are-changed-to-lowercase">1.23 I&#8217;m running MySQL on a Win32 machine. Each time I create a new table the table and column names are changed to lowercase!</a></li>
1707 <li><a class="reference internal" href="#faq1-24">1.24 (withdrawn).</a></li>
1708 <li><a class="reference internal" href="#i-am-running-apache-with-mod-gzip-1-3-26-1a-on-windows-xp-and-i-get-problems-such-as-undefined-variables-when-i-run-a-sql-query">1.25 I am running Apache with mod_gzip-1.3.26.1a on Windows XP, and I get problems, such as undefined variables when I run a SQL query.</a></li>
1709 <li><a class="reference internal" href="#i-just-installed-phpmyadmin-in-my-document-root-of-iis-but-i-get-the-error-no-input-file-specified-when-trying-to-run-phpmyadmin">1.26 I just installed phpMyAdmin in my document root of IIS but I get the error &#8220;No input file specified&#8221; when trying to run phpMyAdmin.</a></li>
1710 <li><a class="reference internal" href="#i-get-empty-page-when-i-want-to-view-huge-page-eg-db-structure-php-with-plenty-of-tables">1.27 I get empty page when I want to view huge page (eg. db_structure.php with plenty of tables).</a></li>
1711 <li><a class="reference internal" href="#my-mysql-server-sometimes-refuses-queries-and-returns-the-message-errorcode-13-what-does-this-mean">1.28 My MySQL server sometimes refuses queries and returns the message &#8216;Errorcode: 13&#8217;. What does this mean?</a></li>
1712 <li><a class="reference internal" href="#when-i-create-a-table-or-modify-a-column-i-get-an-error-and-the-columns-are-duplicated">1.29 When I create a table or modify a column, I get an error and the columns are duplicated.</a></li>
1713 <li><a class="reference internal" href="#i-get-the-error-navigation-php-missing-hash">1.30 I get the error &#8220;navigation.php: Missing hash&#8221;.</a></li>
1714 <li><a class="reference internal" href="#does-phpmyadmin-support-php-5">1.31 Does phpMyAdmin support PHP 5?</a></li>
1715 <li><a class="reference internal" href="#can-i-use-http-authentication-with-iis">1.32 Can I use HTTP authentication with IIS?</a></li>
1716 <li><a class="reference internal" href="#faq1-33">1.33 (withdrawn).</a></li>
1717 <li><a class="reference internal" href="#can-i-access-directly-to-database-or-table-pages">1.34 Can I access directly to database or table pages?</a></li>
1718 <li><a class="reference internal" href="#can-i-use-http-authentication-with-apache-cgi">1.35 Can I use HTTP authentication with Apache CGI?</a></li>
1719 <li><a class="reference internal" href="#i-get-an-error-500-internal-server-error">1.36 I get an error &#8220;500 Internal Server Error&#8221;.</a></li>
1720 <li><a class="reference internal" href="#i-run-phpmyadmin-on-cluster-of-different-machines-and-password-encryption-in-cookie-auth-doesn-t-work">1.37 I run phpMyAdmin on cluster of different machines and password encryption in cookie auth doesn&#8217;t work.</a></li>
1721 <li><a class="reference internal" href="#can-i-use-phpmyadmin-on-a-server-on-which-suhosin-is-enabled">1.38 Can I use phpMyAdmin on a server on which Suhosin is enabled?</a></li>
1722 <li><a class="reference internal" href="#when-i-try-to-connect-via-https-i-can-log-in-but-then-my-connection-is-redirected-back-to-http-what-can-cause-this-behavior">1.39 When I try to connect via https, I can log in, but then my connection is redirected back to http. What can cause this behavior?</a></li>
1723 <li><a class="reference internal" href="#when-accessing-phpmyadmin-via-an-apache-reverse-proxy-cookie-login-does-not-work">1.40 When accessing phpMyAdmin via an Apache reverse proxy, cookie login does not work.</a></li>
1724 <li><a class="reference internal" href="#when-i-view-a-database-and-ask-to-see-its-privileges-i-get-an-error-about-an-unknown-column">1.41 When I view a database and ask to see its privileges, I get an error about an unknown column.</a></li>
1725 <li><a class="reference internal" href="#how-can-i-prevent-robots-from-accessing-phpmyadmin">1.42 How can I prevent robots from accessing phpMyAdmin?</a></li>
1726 <li><a class="reference internal" href="#why-can-t-i-display-the-structure-of-my-table-containing-hundreds-of-columns">1.43 Why can&#8217;t I display the structure of my table containing hundreds of columns?</a></li>
1727 </ul>
1728 </li>
1729 <li><a class="reference internal" href="#configuration">Configuration</a><ul>
1730 <li><a class="reference internal" href="#the-error-message-warning-cannot-add-header-information-headers-already-sent-by-is-displayed-what-s-the-problem">2.1 The error message &#8220;Warning: Cannot add header information - headers already sent by ...&#8221; is displayed, what&#8217;s the problem?</a></li>
1731 <li><a class="reference internal" href="#phpmyadmin-can-t-connect-to-mysql-what-s-wrong">2.2 phpMyAdmin can&#8217;t connect to MySQL. What&#8217;s wrong?</a></li>
1732 <li><a class="reference internal" href="#the-error-message-warning-mysql-connection-failed-can-t-connect-to-local-mysql-server-through-socket-tmp-mysql-sock-111-is-displayed-what-can-i-do">2.3 The error message &#8220;Warning: MySQL Connection Failed: Can&#8217;t connect to local MySQL server through socket &#8216;/tmp/mysql.sock&#8217; (111) ...&#8221; is displayed. What can I do?</a></li>
1733 <li><a class="reference internal" href="#nothing-is-displayed-by-my-browser-when-i-try-to-run-phpmyadmin-what-can-i-do">2.4 Nothing is displayed by my browser when I try to run phpMyAdmin, what can I do?</a></li>
1734 <li><a class="reference internal" href="#each-time-i-want-to-insert-or-change-a-row-or-drop-a-database-or-a-table-an-error-404-page-not-found-is-displayed-or-with-http-or-cookie-authentication-i-m-asked-to-log-in-again-what-s-wrong">2.5 Each time I want to insert or change a row or drop a database or a table, an error 404 (page not found) is displayed or, with HTTP or cookie authentication, I&#8217;m asked to log in again. What&#8217;s wrong?</a></li>
1735 <li><a class="reference internal" href="#i-get-an-access-denied-for-user-root-localhost-using-password-yes-error-when-trying-to-access-a-mysql-server-on-a-host-which-is-port-forwarded-for-my-localhost">2.6 I get an &#8220;Access denied for user: &#8216;root&#64;localhost&#8216; (Using password: YES)&#8221;-error when trying to access a MySQL-Server on a host which is port-forwarded for my localhost.</a></li>
1736 <li><a class="reference internal" href="#using-and-creating-themes">2.7 Using and creating themes</a></li>
1737 <li><a class="reference internal" href="#i-get-missing-parameters-errors-what-can-i-do">2.8 I get &#8220;Missing parameters&#8221; errors, what can I do?</a></li>
1738 <li><a class="reference internal" href="#seeing-an-upload-progress-bar">2.9 Seeing an upload progress bar</a></li>
1739 </ul>
1740 </li>
1741 <li><a class="reference internal" href="#known-limitations">Known limitations</a><ul>
1742 <li><a class="reference internal" href="#when-using-http-authentication-a-user-who-logged-out-can-not-log-in-again-in-with-the-same-nick">3.1 When using HTTP authentication, a user who logged out can not log in again in with the same nick.</a></li>
1743 <li><a class="reference internal" href="#when-dumping-a-large-table-in-compressed-mode-i-get-a-memory-limit-error-or-a-time-limit-error">3.2 When dumping a large table in compressed mode, I get a memory limit error or a time limit error.</a></li>
1744 <li><a class="reference internal" href="#with-innodb-tables-i-lose-foreign-key-relationships-when-i-rename-a-table-or-a-column">3.3 With InnoDB tables, I lose foreign key relationships when I rename a table or a column.</a></li>
1745 <li><a class="reference internal" href="#i-am-unable-to-import-dumps-i-created-with-the-mysqldump-tool-bundled-with-the-mysql-server-distribution">3.4 I am unable to import dumps I created with the mysqldump tool bundled with the MySQL server distribution.</a></li>
1746 <li><a class="reference internal" href="#when-using-nested-folders-multiple-hierarchies-are-displayed-in-a-wrong-manner">3.5 When using nested folders, multiple hierarchies are displayed in a wrong manner.</a></li>
1747 <li><a class="reference internal" href="#faq3-6">3.6 (withdrawn).</a></li>
1748 <li><a class="reference internal" href="#i-have-table-with-many-100-columns-and-when-i-try-to-browse-table-i-get-series-of-errors-like-warning-unable-to-parse-url-how-can-this-be-fixed">3.7 I have table with many (100+) columns and when I try to browse table I get series of errors like &#8220;Warning: unable to parse url&#8221;. How can this be fixed?</a></li>
1749 <li><a class="reference internal" href="#i-cannot-use-clickable-html-forms-in-columns-where-i-put-a-mime-transformation-onto">3.8 I cannot use (clickable) HTML-forms in columns where I put a MIME-Transformation onto!</a></li>
1750 <li><a class="reference internal" href="#i-get-error-messages-when-using-sql-mode-ansi-for-the-mysql-server">3.9 I get error messages when using &#8220;&#8211;sql_mode=ANSI&#8221; for the MySQL server.</a></li>
1751 <li><a class="reference internal" href="#homonyms-and-no-primary-key-when-the-results-of-a-select-display-more-that-one-column-with-the-same-value-for-example-select-lastname-from-employees-where-firstname-like-a-and-two-smith-values-are-displayed-if-i-click-edit-i-cannot-be-sure-that-i-am-editing-the-intended-row">3.10 Homonyms and no primary key: When the results of a SELECT display more that one column with the same value (for example <tt class="docutils literal"><span class="pre">SELECT</span> <span class="pre">lastname</span> <span class="pre">from</span> <span class="pre">employees</span> <span class="pre">where</span> <span class="pre">firstname</span> <span class="pre">like</span> <span class="pre">'A%'</span></tt> and two &#8220;Smith&#8221; values are displayed), if I click Edit I cannot be sure that I am editing the intended row.</a></li>
1752 <li><a class="reference internal" href="#the-number-of-rows-for-innodb-tables-is-not-correct">3.11 The number of rows for InnoDB tables is not correct.</a></li>
1753 <li><a class="reference internal" href="#faq3-12">3.12 (withdrawn).</a></li>
1754 <li><a class="reference internal" href="#i-get-an-error-when-entering-use-followed-by-a-db-name-containing-an-hyphen">3.13 I get an error when entering <tt class="docutils literal"><span class="pre">USE</span></tt> followed by a db name containing an hyphen.</a></li>
1755 <li><a class="reference internal" href="#i-am-not-able-to-browse-a-table-when-i-don-t-have-the-right-to-select-one-of-the-columns">3.14 I am not able to browse a table when I don&#8217;t have the right to SELECT one of the columns.</a></li>
1756 <li><a class="reference internal" href="#faq3-15">3.15 (withdrawn).</a></li>
1757 <li><a class="reference internal" href="#faq3-16">3.16 (withdrawn).</a></li>
1758 <li><a class="reference internal" href="#faq3-17">3.17 (withdrawn).</a></li>
1759 <li><a class="reference internal" href="#when-i-import-a-csv-file-that-contains-multiple-tables-they-are-lumped-together-into-a-single-table">3.18 When I import a CSV file that contains multiple tables, they are lumped together into a single table.</a></li>
1760 <li><a class="reference internal" href="#when-i-import-a-file-and-have-phpmyadmin-determine-the-appropriate-data-structure-it-only-uses-int-decimal-and-varchar-types">3.19 When I import a file and have phpMyAdmin determine the appropriate data structure it only uses int, decimal, and varchar types.</a></li>
1761 <li><a class="reference internal" href="#after-upgrading-some-bookmarks-are-gone-or-their-content-cannot-be-shown">3.20 After upgrading, some bookmarks are gone or their content cannot be shown.</a></li>
1762 </ul>
1763 </li>
1764 <li><a class="reference internal" href="#isps-multi-user-installations">ISPs, multi-user installations</a><ul>
1765 <li><a class="reference internal" href="#i-m-an-isp-can-i-setup-one-central-copy-of-phpmyadmin-or-do-i-need-to-install-it-for-each-customer">4.1 I&#8217;m an ISP. Can I setup one central copy of phpMyAdmin or do I need to install it for each customer?</a></li>
1766 <li><a class="reference internal" href="#what-s-the-preferred-way-of-making-phpmyadmin-secure-against-evil-access">4.2 What&#8217;s the preferred way of making phpMyAdmin secure against evil access?</a></li>
1767 <li><a class="reference internal" href="#i-get-errors-about-not-being-able-to-include-a-file-in-lang-or-in-libraries">4.3 I get errors about not being able to include a file in <em>/lang</em> or in <em>/libraries</em>.</a></li>
1768 <li><a class="reference internal" href="#phpmyadmin-always-gives-access-denied-when-using-http-authentication">4.4 phpMyAdmin always gives &#8220;Access denied&#8221; when using HTTP authentication.</a></li>
1769 <li><a class="reference internal" href="#is-it-possible-to-let-users-create-their-own-databases">4.5 Is it possible to let users create their own databases?</a></li>
1770 <li><a class="reference internal" href="#how-can-i-use-the-host-based-authentication-additions">4.6 How can I use the Host-based authentication additions?</a></li>
1771 <li><a class="reference internal" href="#authentication-window-is-displayed-more-than-once-why">4.7 Authentication window is displayed more than once, why?</a></li>
1772 <li><a class="reference internal" href="#which-parameters-can-i-use-in-the-url-that-starts-phpmyadmin">4.8 Which parameters can I use in the URL that starts phpMyAdmin?</a></li>
1773 </ul>
1774 </li>
1775 <li><a class="reference internal" href="#browsers-or-client-os">Browsers or client OS</a><ul>
1776 <li><a class="reference internal" href="#i-get-an-out-of-memory-error-and-my-controls-are-non-functional-when-trying-to-create-a-table-with-more-than-14-columns">5.1 I get an out of memory error, and my controls are non-functional, when trying to create a table with more than 14 columns.</a></li>
1777 <li><a class="reference internal" href="#with-xitami-2-5b4-phpmyadmin-won-t-process-form-fields">5.2 With Xitami 2.5b4, phpMyAdmin won&#8217;t process form fields.</a></li>
1778 <li><a class="reference internal" href="#i-have-problems-dumping-tables-with-konqueror-phpmyadmin-2-2-2">5.3 I have problems dumping tables with Konqueror (phpMyAdmin 2.2.2).</a></li>
1779 <li><a class="reference internal" href="#i-can-t-use-the-cookie-authentication-mode-because-internet-explorer-never-stores-the-cookies">5.4 I can&#8217;t use the cookie authentication mode because Internet Explorer never stores the cookies.</a></li>
1780 <li><a class="reference internal" href="#in-internet-explorer-5-0-i-get-javascript-errors-when-browsing-my-rows">5.5 In Internet Explorer 5.0, I get JavaScript errors when browsing my rows.</a></li>
1781 <li><a class="reference internal" href="#in-internet-explorer-5-0-5-5-or-6-0-i-get-an-error-like-page-not-found-when-trying-to-modify-a-row-in-a-table-with-many-columns-or-with-a-text-column">5.6 In Internet Explorer 5.0, 5.5 or 6.0, I get an error (like &#8220;Page not found&#8221;) when trying to modify a row in a table with many columns, or with a text column.</a></li>
1782 <li><a class="reference internal" href="#i-refresh-reload-my-browser-and-come-back-to-the-welcome-page">5.7 I refresh (reload) my browser, and come back to the welcome page.</a></li>
1783 <li><a class="reference internal" href="#with-mozilla-0-9-7-i-have-problems-sending-a-query-modified-in-the-query-box">5.8 With Mozilla 0.9.7 I have problems sending a query modified in the query box.</a></li>
1784 <li><a class="reference internal" href="#with-mozilla-0-9-to-1-0-and-netscape-7-0-pr1-i-can-t-type-a-whitespace-in-the-sql-query-edit-area-the-page-scrolls-down">5.9 With Mozilla 0.9.? to 1.0 and Netscape 7.0-PR1 I can&#8217;t type a whitespace in the SQL-Query edit area: the page scrolls down.</a></li>
1785 <li><a class="reference internal" href="#with-netscape-4-75-i-get-empty-rows-between-each-row-of-data-in-a-csv-exported-file">5.10 With Netscape 4.75 I get empty rows between each row of data in a CSV exported file.</a></li>
1786 <li><a class="reference internal" href="#extended-ascii-characters-like-german-umlauts-are-displayed-wrong">5.11 Extended-ASCII characters like German umlauts are displayed wrong.</a></li>
1787 <li><a class="reference internal" href="#mac-os-x-safari-browser-changes-special-characters-to">5.12 Mac OS X Safari browser changes special characters to &#8221;?&#8221;.</a></li>
1788 <li><a class="reference internal" href="#with-internet-explorer-5-5-or-6-and-http-authentication-type-i-cannot-manage-two-servers-i-log-in-to-the-first-one-then-the-other-one-but-if-i-switch-back-to-the-first-i-have-to-log-in-on-each-operation">5.13 With Internet Explorer 5.5 or 6, and HTTP authentication type, I cannot manage two servers: I log in to the first one, then the other one, but if I switch back to the first, I have to log in on each operation.</a></li>
1789 <li><a class="reference internal" href="#using-opera6-i-can-manage-to-get-to-the-authentication-but-nothing-happens-after-that-only-a-blank-screen">5.14 Using Opera6, I can manage to get to the authentication, but nothing happens after that, only a blank screen.</a></li>
1790 <li><a class="reference internal" href="#i-have-display-problems-with-safari">5.15 I have display problems with Safari.</a></li>
1791 <li><a class="reference internal" href="#with-internet-explorer-i-get-access-is-denied-javascript-errors-or-i-cannot-make-phpmyadmin-work-under-windows">5.16 With Internet Explorer, I get &#8220;Access is denied&#8221; Javascript errors. Or I cannot make phpMyAdmin work under Windows.</a></li>
1792 <li><a class="reference internal" href="#with-firefox-i-cannot-delete-rows-of-data-or-drop-a-database">5.17 With Firefox, I cannot delete rows of data or drop a database.</a></li>
1793 <li><a class="reference internal" href="#with-konqueror-4-2-x-an-invalid-limit-clause-is-generated-when-i-browse-a-table">5.18 With Konqueror 4.2.x an invalid <tt class="docutils literal"><span class="pre">LIMIT</span></tt> clause is generated when I browse a table.</a></li>
1794 <li><a class="reference internal" href="#i-get-javascript-errors-in-my-browser">5.19 I get JavaScript errors in my browser.</a></li>
1795 </ul>
1796 </li>
1797 <li><a class="reference internal" href="#using-phpmyadmin">Using phpMyAdmin</a><ul>
1798 <li><a class="reference internal" href="#i-can-t-insert-new-rows-into-a-table-i-can-t-create-a-table-mysql-brings-up-a-sql-error">6.1 I can&#8217;t insert new rows into a table / I can&#8217;t create a table - MySQL brings up a SQL error.</a></li>
1799 <li><a class="reference internal" href="#when-i-create-a-table-i-set-an-index-for-two-columns-and-phpmyadmin-generates-only-one-index-with-those-two-columns">6.2 When I create a table, I set an index for two columns and phpMyAdmin generates only one index with those two columns.</a></li>
1800 <li><a class="reference internal" href="#how-can-i-insert-a-null-value-into-my-table">6.3 How can I insert a null value into my table?</a></li>
1801 <li><a class="reference internal" href="#how-can-i-backup-my-database-or-table">6.4 How can I backup my database or table?</a></li>
1802 <li><a class="reference internal" href="#how-can-i-restore-upload-my-database-or-table-using-a-dump-how-can-i-run-a-sql-file">6.5 How can I restore (upload) my database or table using a dump? How can I run a &#8221;.sql&#8221; file?</a></li>
1803 <li><a class="reference internal" href="#how-can-i-use-the-relation-table-in-query-by-example">6.6 How can I use the relation table in Query-by-example?</a></li>
1804 <li><a class="reference internal" href="#how-can-i-use-the-display-column-feature">6.7 How can I use the &#8220;display column&#8221; feature?</a></li>
1805 <li><a class="reference internal" href="#how-can-i-produce-a-pdf-schema-of-my-database">6.8 How can I produce a PDF schema of my database?</a></li>
1806 <li><a class="reference internal" href="#phpmyadmin-is-changing-the-type-of-one-of-my-columns">6.9 phpMyAdmin is changing the type of one of my columns!</a></li>
1807 <li><a class="reference internal" href="#when-creating-a-privilege-what-happens-with-underscores-in-the-database-name">6.10 When creating a privilege, what happens with underscores in the database name?</a></li>
1808 <li><a class="reference internal" href="#what-is-the-curious-symbol-o-in-the-statistics-pages">6.11 What is the curious symbol ø in the statistics pages?</a></li>
1809 <li><a class="reference internal" href="#i-want-to-understand-some-export-options">6.12 I want to understand some Export options.</a></li>
1810 <li><a class="reference internal" href="#i-would-like-to-create-a-database-with-a-dot-in-its-name">6.13 I would like to create a database with a dot in its name.</a></li>
1811 <li><a class="reference internal" href="#faqsqlvalidator">6.14 (withdrawn).</a></li>
1812 <li><a class="reference internal" href="#i-want-to-add-a-blob-column-and-put-an-index-on-it-but-mysql-says-blob-column-used-in-key-specification-without-a-key-length">6.15 I want to add a BLOB column and put an index on it, but MySQL says &#8220;BLOB column &#8216;...&#8217; used in key specification without a key length&#8221;.</a></li>
1813 <li><a class="reference internal" href="#how-can-i-simply-move-in-page-with-plenty-editing-fields">6.16 How can I simply move in page with plenty editing fields?</a></li>
1814 <li><a class="reference internal" href="#transformations-i-can-t-enter-my-own-mimetype-wtf-is-this-feature-then-useful-for">6.17 Transformations: I can&#8217;t enter my own mimetype! WTF is this feature then useful for?</a></li>
1815 <li><a class="reference internal" href="#bookmarks-where-can-i-store-bookmarks-why-can-t-i-see-any-bookmarks-below-the-query-box-what-are-these-variables-for">6.18 Bookmarks: Where can I store bookmarks? Why can&#8217;t I see any bookmarks below the query box? What are these variables for?</a></li>
1816 <li><a class="reference internal" href="#how-can-i-create-simple-latex-document-to-include-exported-table">6.19 How can I create simple LATEX document to include exported table?</a></li>
1817 <li><a class="reference internal" href="#i-see-a-lot-of-databases-which-are-not-mine-and-cannot-access-them">6.20 I see a lot of databases which are not mine, and cannot access them.</a></li>
1818 <li><a class="reference internal" href="#in-edit-insert-mode-how-can-i-see-a-list-of-possible-values-for-a-column-based-on-some-foreign-table">6.21 In edit/insert mode, how can I see a list of possible values for a column, based on some foreign table?</a></li>
1819 <li><a class="reference internal" href="#bookmarks-can-i-execute-a-default-bookmark-automatically-when-entering-browse-mode-for-a-table">6.22 Bookmarks: Can I execute a default bookmark automatically when entering Browse mode for a table?</a></li>
1820 <li><a class="reference internal" href="#export-i-heard-phpmyadmin-can-export-microsoft-excel-files">6.23 Export: I heard phpMyAdmin can export Microsoft Excel files?</a></li>
1821 <li><a class="reference internal" href="#now-that-phpmyadmin-supports-native-mysql-4-1-x-column-comments-what-happens-to-my-column-comments-stored-in-pmadb">6.24 Now that phpMyAdmin supports native MySQL 4.1.x column comments, what happens to my column comments stored in pmadb?</a></li>
1822 <li><a class="reference internal" href="#faq6-25">6.25 (withdrawn).</a></li>
1823 <li><a class="reference internal" href="#how-can-i-select-a-range-of-rows">6.26 How can I select a range of rows?</a></li>
1824 <li><a class="reference internal" href="#what-format-strings-can-i-use">6.27 What format strings can I use?</a></li>
1825 <li><a class="reference internal" href="#how-can-i-easily-edit-relational-schema-for-export">6.28 How can I easily edit relational schema for export?</a></li>
1826 <li><a class="reference internal" href="#why-can-t-i-get-a-chart-from-my-query-result-table">6.29 Why can&#8217;t I get a chart from my query result table?</a></li>
1827 <li><a class="reference internal" href="#import-how-can-i-import-esri-shapefiles">6.30 Import: How can I import ESRI Shapefiles?</a></li>
1828 <li><a class="reference internal" href="#how-do-i-create-a-relation-in-designer">6.31 How do I create a relation in designer?</a></li>
1829 <li><a class="reference internal" href="#how-can-i-use-the-zoom-search-feature">6.32 How can I use the zoom search feature?</a></li>
1830 <li><a class="reference internal" href="#when-browsing-a-table-how-can-i-copy-a-column-name">6.33 When browsing a table, how can I copy a column name?</a></li>
1831 <li><a class="reference internal" href="#how-can-i-use-the-favorite-tables-feature">6.34 How can I use the Favorite Tables feature?</a></li>
1832 <li><a class="reference internal" href="#how-can-i-use-the-range-search-feature">6.35 How can I use the Range search feature?</a></li>
1833 <li><a class="reference internal" href="#what-is-central-columns-and-how-can-i-use-this-feature">6.36 What is Central columns and How can I use this feature?</a></li>
1834 <li><a class="reference internal" href="#how-can-i-use-improve-table-structure-feature">6.37 How can I use Improve Table structure feature?</a></li>
1835 <li><a class="reference internal" href="#how-can-i-reassign-auto-incremented-values">6.38 How can I reassign auto-incremented values?</a></li>
1836 <li><a class="reference internal" href="#what-is-the-adjust-privileges-option-when-renaming-copying-or-moving-a-database-table-column-or-procedure">6.39 What is the &#8220;Adjust privileges&#8221; option when renaming, copying, or moving a database, table, column, or procedure?</a></li>
1837 <li><a class="reference internal" href="#i-see-bind-parameters-checkbox-in-the-sql-page-how-do-i-write-parameterized-sql-queries">6.40 I see &#8220;Bind parameters&#8221; checkbox in the &#8220;SQL&#8221; page. How do I write parameterized SQL queries?</a></li>
1838 </ul>
1839 </li>
1840 <li><a class="reference internal" href="#phpmyadmin-project">phpMyAdmin project</a><ul>
1841 <li><a class="reference internal" href="#i-have-found-a-bug-how-do-i-inform-developers">7.1 I have found a bug. How do I inform developers?</a></li>
1842 <li><a class="reference internal" href="#i-want-to-translate-the-messages-to-a-new-language-or-upgrade-an-existing-language-where-do-i-start">7.2 I want to translate the messages to a new language or upgrade an existing language, where do I start?</a></li>
1843 <li><a class="reference internal" href="#i-would-like-to-help-out-with-the-development-of-phpmyadmin-how-should-i-proceed">7.3 I would like to help out with the development of phpMyAdmin. How should I proceed?</a></li>
1844 </ul>
1845 </li>
1846 <li><a class="reference internal" href="#security">Security</a><ul>
1847 <li><a class="reference internal" href="#where-can-i-get-information-about-the-security-alerts-issued-for-phpmyadmin">8.1 Where can I get information about the security alerts issued for phpMyAdmin?</a></li>
1848 <li><a class="reference internal" href="#how-can-i-protect-phpmyadmin-against-brute-force-attacks">8.2 How can I protect phpMyAdmin against brute force attacks?</a></li>
1849 </ul>
1850 </li>
1851 <li><a class="reference internal" href="#synchronization">Synchronization</a><ul>
1852 <li><a class="reference internal" href="#faq9-1">9.1 (withdrawn).</a></li>
1853 <li><a class="reference internal" href="#faq9-2">9.2 (withdrawn).</a></li>
1854 </ul>
1855 </li>
1856 </ul>
1857 </li>
1858 </ul>
1860 <h4>Previous topic</h4>
1861 <p class="topless"><a href="import_export.html"
1862 title="previous chapter">Import and export</a></p>
1863 <h4>Next topic</h4>
1864 <p class="topless"><a href="developers.html"
1865 title="next chapter">Developers Information</a></p>
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