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create or replace table t1( c1 int check( c1 > 0 ), c2 int check( c2 > 0 ), c3 int, constraint `range` check( ( c3 >= c1 ) and ( c3 <= c2 ) ), primary key( c1 ) );
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` int(11) NOT NULL CHECK (`c1` > 0),
`c2` int(11) DEFAULT NULL CHECK (`c2` > 0),
`c3` int(11) DEFAULT NULL,
PRIMARY KEY (`c1`),
CONSTRAINT `range` CHECK (`c3` >= `c1` and `c3` <= `c2`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
select * from information_schema.table_constraints where table_name = 't1';
CONSTRAINT_CATALOG CONSTRAINT_SCHEMA CONSTRAINT_NAME TABLE_SCHEMA TABLE_NAME CONSTRAINT_TYPE
def test PRIMARY test t1 PRIMARY KEY
def test c1 test t1 CHECK
def test c2 test t1 CHECK
def test range test t1 CHECK
drop table t1;
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