oracle left outer join(左聯接)顯示全部的課堂收藏資訊
select *
from
o_classfavorityinfo f
left outer join
(select i.duration,i.imagepath,p.appraisename,i.classid
(select i.duration,i.imagepath,p.appraisename,i.classid
from o_classinfo i, o_classappraiseinfo p, R_RESOURCEINFO r
where
p.classid = i.classid
and i.contentid = r.resourceid) b
on (f.classid=b.classid(+));
where
p.classid = i.classid
and i.contentid = r.resourceid) b
on (f.classid=b.classid(+));
來自 “ ITPUB部落格 ” ,連結:http://blog.itpub.net/9240380/viewspace-668391/,如需轉載,請註明出處,否則將追究法律責任。
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