摘要: create table test(id int IDENTITY,amount int check(amount >=1000 and amount<=5000));SELECT * FROM dbo.test/*下面这个语句不检查约束:*/SET IDENTITY_INSERT dbo.test... 阅读全文
posted @ 2014-06-25 16:01 被谋杀的诗篇 阅读(469) 评论(0) 推荐(0) 编辑