1 RA encoded in C++ templates
2 http://aszt.inf.elte.hu/~gsd/s/cikkek/gener/submission_29.pdf
5 http://infolab.stanford.edu/~ullman/dscb.html
8 http://www.contrib.andrew.cmu.edu/~shadow/sql/sql1992.txt
11 http://www.wiscorp.com/sql200n.zip
14 http://savage.net.au/SQL/sql-92.bnf.html
17 http://www.sqlparser.com/
20 http://search.cpan.org/~rehsack/SQL-Statement-1.20/lib/SQL/Statement.pm
22 ZQL: a Java SQL parser
23 http://www.gibello.com/code/zql/
26 http://www.activequerybuilder.com/
28 SQL Parse Convert to Tree Array
29 http://www.phpclasses.org/browse/package/4916.html
32 http://jsqlparser.sourceforge.net/home.php
35 http://www.antlr.org/grammar/1062280680642/MS_SQL_SELECT.html
38 http://www.devnewsgroups.net/group/microsoft.public.dotnet.framework.adonet/topic15881.aspx
40 Comparison of different SQL implementations
41 http://troels.arvin.dk/db/rdbms/