批量清除表内容

本文来自优快云博客,转载请标明出处:http:

//
blog.youkuaiyun.com
/
htl258
/
archive
/
2009
/
07
/
16
/
4352355
.aspx


 

--批量清除表内容: --1.禁用外键约束

DECLARE c1 cursor for select 'alter table ['+ object_name(parent_obj) + '] nocheck constraint ['+name+']; ' from sysobjects where xtype = 'F' open c1 declare @c1 varchar(8000) fetch next from c1 into @c1 while(@@fetch_status=0) begin exec(@c1) fetch next from c1 into @c1 end close c1 deallocate c1

--2.清除表内容 DECLARE c2 cursor for select 'truncate table ['+name +']; ' from sysobjects where xtype = 'u' open c2 declare @c2 varchar(8000) fetch next from c2 into @c2 while(@@fetch_status=0) begin exec(@c2) fetch next from c2 into @c2 end close c2 deallocate c2

--3.启用外键约束 DECLARE c1 cursor for select 'alter table ['+ object_name(parent_obj) + '] check constraint ['+name+']; ' from sysobjects where xtype = 'F' open c1 declare @c1 varchar(8000) fetch next from c1 into @c1 while(@@fetch_status=0) begin exec(@c1) fetch next from c1 into @c1 end close c1 deallocate c1

评论
添加红包

请填写红包祝福语或标题

红包个数最小为10个

红包金额最低5元

当前余额3.43前往充值 >
需支付:10.00
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明:

1.余额是钱包充值的虚拟货币,按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载,可以购买VIP、付费专栏及课程。

余额充值