--检查约束 create table test1( id number(10) primary key, email varchar2(10) check (email like '%@%') ) drop table test1 insert into test1 values(1,'[email protected]'); select * from test1 create table test2( id number primary key, gender varchar2(4) check(gender in('男','女')) ) drop table test2 select * from test2 insert into test2 values(1,'男')
Oracle 检查约束check
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