用户状态变成离职状态，系统配置表被触发，修改配置表状态
create or replace trigger BASEDB_USERLEFT
before update or delete on basedb_users
for each row
declare
-- local variables here
varcount number;
begin
--select loginid into userloginid from basedb_users where status=:new.status;
if updating or deleting then
select count(*) into varcount from basedb_sysconfuser where loginid=:new.loginid;
if varcount>0 and :new.status='5' then
update basedb_sysconfuser set isvalid='0',last_date=sysdate,action_sign='U' where loginid=:new.loginid;
end if;
end if;

end BASEDB_USERLEFT;

摘自：中煤集团 huzia的专栏