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一个触发器内三种INSERT,UPDATE,DELETE状态
CREATE TRIGGER tr_T_A ON T_A for INSERT,UPDATE,DELETE 如IF exists (select * from inserted) and not exists (select * from deleted) 则为 INSERT 如IF exists(select * from inserted ) and exists (select * from deleted) 则为 UPDATE 如IF exists (select * from deleted) and not exists (select * from inserted)则为 DELETE 插入操作（Insert）：Inserted表有数据，Deleted表无数据 删除操作（Delete）：Inserted表无数据，Deleted表有数据 更新操作（Update）：Inserted表有数据（新数据），Deleted表有数据（旧数据） create TRIGGER [risk].[Entry_Head_port_Exchange_Trigger] ON [RiskH800].[risk].[ENTRY_HEAD] DECLARE @MANUAL_NO_COUNT INT IF EXISTS (SELECT 1 FROM INSERTED) IF EXISTS(SELECT 1 FROM DELETED) SELECT @COUNT = COUNT(*) FROM risk.ENTRY_HEAD_port_EXCHANGE WHERE ENTRY_ID = (select ENTRY_ID FROM DELETED) SELECT @MANUAL_NO_COUNT = COUNT(MANUAL_NO) FROM DELETED where substring(MANUAL_NO,1,1)= 'B' or substring(MANUAL_NO,1,1)='C' IF @COUNT <=0 AND @MANUAL_NO_COUNT>0 INSERT INTO risk.ENTRY_HEAD_port_EXCHANGE(ENTRY_ID,CREATE_DATE)(SELECT ENTRY_ID,getdate() FROM DELETED) SELECT @COUNT = COUNT(*) FROM risk.ENTRY_HEAD_port_EXCHANGE WHERE ENTRY_ID = (select ENTRY_ID FROM INSERTED) SELECT @MANUAL_NO_COUNT = COUNT(MANUAL_NO) FROM INSERTED where substring(MANUAL_NO,1,1)= 'B' or substring(MANUAL_NO,1,1)='C' IF @COUNT <=0 AND @MANUAL_NO_COUNT>0 INSERT INTO risk.ENTRY_HEAD_port_EXCHANGE(ENTRY_ID,CREATE_DATE)(SELECT ENTRY_ID,getdate() FROM INSERTED) 转载地址：http://rexfa.baihongyu.com/