create or replace trigger tb_sm_user_update_trigger before update of USER_ORGID on tb_sm_user for each row declare begin if :NEW.USER_ORGID!=:OLD.USER_ORGID then :NEW.original_orgid:=:OLD.USER_ORGID; end if; end;
修改用户表里面的user_orgid 时触发,将user_orgid 值保存到original_orgid 里面.一定要是before才可以,after触发器的话:NEW值就无法修改,报ORG-04084错误.