DECLARE @IsInsert bit, @IsUpdate bit, @IsDelete bit IF EXISTS(SELECT 1 FROM inserted) AND NOT EXISTS(SELECT 1 FROM deleted) SET @IsInsert = 1 ELSE SET @IsInsert = 0 IF EXISTS(SELECT 1 FROM inserted) AND EXISTS(SELECT 1 FROM deleted) SET @IsUpdate = 1 ELSE SET @IsUpdate = 0 IF NOT EXISTS(SELECT 1 FROM inserted) AND EXISTS(SELECT 1 FROM deleted) SET @IsDelete = 1 ELSE SET @IsDelete = 0 create trigger Update_Del on Table for update,delete as if not exists(select 1 from inserted) begin /*inserted表无记录,是删除*/ end else begin /*是更新*/ end go ---------------------