drop TRIGGER xyxinfo_insert; CREATE TRIGGER xyxinfo_insert after INSERT ON huixiabao.HmbXyxInfo FOR EACH ROW BEGIN delete from huixiabao.HmbXyxInfo_Update u where u.xyxNo = NEW.xyxNo; INSERT INTO huixiabao.HmbXyxInfo_Update ( xyxNo, update_time ) VALUES ( new.xyxNo, SYSDATE()); END; drop trigger xyxinfo_update; create trigger xyxinfo_update after update on huixiabao.HmbXyxInfo FOR EACH ROW BEGIN delete from huixiabao.HmbXyxInfo_Update u where u.xyxNo = NEW.xyxNo; INSERT INTO huixiabao.HmbXyxInfo_Update ( xyxNo, update_time ) VALUES ( new.xyxNo, SYSDATE()); END;