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Oracle 检查约束check

求索大伟 2022-08-31 阅读 284

--检查约束
create tablenumber(10) primary key,
email varchar2(10) check (email like '%@%')
)
drop tableinsert into test1 values(1,'12@6.com');
select * fromcreate tablenumber primary key,
gender varchar2(4) check(gender in('男','女'))
)
drop tableselect * frominsert into test2 values(1,'男')

create table test30(         
id number primary key,
sex varchar2(2) check(sex ='男' or sex='女')
);

参考:Oracle Check约束

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