System/OS

[sql] 내 방명록 답글 찾는 쿼리문.. (JOIN 구문)

by hooni posted Apr 23, 2003
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SELECT g.no, g.name, r.no, r.num, r.name FROM guest g, guest_reply r where g.no<>r.num order by g.no desc

SELECT g.*, r.no, r.num FROM guest g INNER JOIN  guest_reply r ON g.no=r.num order by g.no desc

SELECT g.*, r.no, r.num FROM guest g INNER JOIN  guest_reply r ON g.no=r.num=NULL order by g.no desc