[Oracle]trigger 만들기

TRIGGER diaryevent_before_update after update on dr_diaryevent
for each row
begin
insert into dr_diaryeventhistory(diaryeventhistory_seq, diaryevent_seq, before_status, after_status, updt_d)
values(diaryeventhistory_seq.nextval, :new.diaryevent_seq, :old.success_fg, :new.success_fg, sysdate);
end;