Oracle 检查约束check

发布时间：2020-12-12 13:24:12 所属栏目：百科来源：网络整理

导读：-- 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

--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‘)

（编辑：李大同）

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