blob: 3b41e291e0fb0662517a87406921fc587325cd58 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
|
drop table if exists t1;
create table t1 (a int check (a>0));
insert into t1 values (1);
insert into t1 values (0);
drop table t1;
create table t1 (a int ,b int, check a>b);
insert into t1 values (1,0);
insert into t1 values (0,1);
drop table t1;
create table t1 (a int ,b int, constraint abc check (a>b));
insert into t1 values (1,0);
insert into t1 values (0,1);
drop table t1;
create table t1 (a int null);
insert into t1 values (1),(NULL);
drop table t1;
|
