唉呀,你的user_info用个view来做得了,还省的数据库的负担了,呵呵
create or replace view user_info
as
select u.uid, name || ' ' || address
from user_name u,user_address a
where a.uid=u.uid
create or replace view user_info
as
select u.uid, name || ' ' || address
from user_name u,user_address a
where a.uid=u.uid
解决方案 »
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