1 create table t1 (f1 int not null, f2 int);
2 create index idx on t1 (f1) tree unique;
3 insert into t1 values(1,1);
4 insert into t1 values(2,2);
5 insert into t1 values(3,3);
6 insert into t1 values(4,4);
7 insert into t1 values(5,5);
8 insert into t1 values(6,6);
9 insert into t1 values(7,7);
10 insert into t1 values(8,8);
11 insert into t1 values(9,9);
12 insert into t1 values(10,10);
13 insert into t1 values(11,11);
14 insert into t1 values(12,12);
15 insert into t1 values(13,13);
16 insert into t1 values(14,14);
17 insert into t1 values(15,15);
18 insert into t1 values(16,16);
19 insert into t1 values(17,17);
20 insert into t1 values(18,18);
21 insert into t1 values(19,19);
22 insert into t1 values(20,20);
23 insert into t1 values(21,21);
24 insert into t1 values(22,22);
25 insert into t1 values(23,23);
26 insert into t1 values(24,24);
27 insert into t1 values(25,25);
28 insert into t1 values(26,26);
29 insert into t1 values(27,27);
30 insert into t1 values(28,28);
31 insert into t1 values(29,29);
32 insert into t1 values(30,30);
33 insert into t1 values(31,31);
34 insert into t1 values(32,32);
35 insert into t1 values(33,33);
36 insert into t1 values(34,34);
37 insert into t1 values(35,35);
38 insert into t1 values(36,36);
39 insert into t1 values(37,37);
40 insert into t1 values(38,38);
41 insert into t1 values(39,39);
42 insert into t1 values(40,40);
43 insert into t1 values(41,41);
44 insert into t1 values(42,42);
45 insert into t1 values(43,43);
46 insert into t1 values(44,44);
47 insert into t1 values(45,45);
48 insert into t1 values(46,46);
49 insert into t1 values(47,47);
50 insert into t1 values(48,48);
51 insert into t1 values(49,49);
52 insert into t1 values(50,50);