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SQLServer触发器表的特定字段更新时,触发Update触发器 - 站长搜索
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SQLServer触发器表的特定字段更新时,触发Update触发器

数据库操作教程 2022-09-23 16:57:03 转载来源: 网络整理/侵权必删

复制代码代码如下:createtriggerTR_MasterTable_UpdateonMasterTableafterupdateasifupdate([Type])--当Type字段被更新时,才会触发此触发器insertintoMasterLogTableselectId,(Case[Type]when1then'Type1'when2then'Type2'when3then'Type3'when4then'Type4'else'TypeDefault'end),Namefrominsertedgo另外再补充一句:insert和update的数据都会保存在临时表中,所以使用inserted可以取出这些数据,删除时使用deleted可以取出被删除的数据转载请标明出处:http://blog.csdn

复制代码 代码如下:

create trigger TR_MasterTable_Update
on MasterTable
after update
as
if update ([Type])--当Type字段更新时,才会触发触发器
insert into MasterLogTable
select
Id
,(Case [Type] when 1 then 'Type1'
when 2 then 'Type2'
when 3 then 'Type3'
when 4 then 'Type4'
else 'TypeDefault'
end)
,Name
from inserted
go

另外再补充一句:insert和update的数据都会保存在临时表中,所以使用inserted可以取出这些数据,删除时使用deleted可以取出被删除的数据
转载请标明出处:http://blog.csdn.net/tjvictor

标签: 触发器 SQLServer 特定 字段 更新 触发 Update


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