if exists(select * from sysobjects where name = 'Tbl_periodPara_Update_Trigger' ) drop TRIGGER Tbl_periodPara_Update_Trigger GO create TRIGGER Tbl_periodPara_Update_Trigger on tbl_periodPara for update as RAISERROR ('Job id 1 expects the default level of 10.', 16, 1) GO update tbl_periodPara set iPeriod = 4 where strName = 'SysSamplePara' sp_helptrigger 'tbl_periodPara','update' select * from sysobjects where name = 'Tbl_periodPara_Update_Trigger'
基本触发器
触发器是自动的:它们在对表的数据作了任何修改(比如手工输入或者应用程序采取的操作)之后立即被激活。
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转载自braveyly.iteye.com/blog/1703087
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