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Article #707Re: ��һ��SQL����
From: EnjoySoft Inc.
Date: Tue, 09 Dec 2008 07:08
Date: Tue, 09 Dec 2008 07:08
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лл����inner join���Ǻ���Ϥ ��ԭ������SELECT ... FROM T2 where ID IN (SELECT ID FROM T1 WHERE date between ? AND ?) ... �� �� ZAKU (Dem����ɫ�н�����) �Ĵ������ᵽ: �� : ���������� : Table1: : ID date : 1 2008-01-01 : 2 2008-01-02 : 3 2008-01-01 : Table2: : ID Sub-ID Unit Data : 1 11 111 20 : 2 22 222 10 : .................������ʡ�ԣ� -- C++Ϊ�� WindowsΪ�� enjoysoft @ VC http://bbs.sjtu.cn/bbsdoc?board=VC [m[1;33m�� ��Դ:����ˮ˼Դ bbs.sjtu.edu.cn��[FROM: 116.233.159.30][m
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X-Google-Thread: 101948,7b36a9500411b991,start X-Google-Attributes: gid101948,domainid0,public,usenet X-Google-Language: Chinese,GB Path: arc1-ca.pugleaf.net!g2news2.google.com!news1.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!newsfeed00.sul.t-online.de!newsfeed01.sul.t-online.de!t-online.de!news.isoc.lu!news.shec6.edu.cn!SJTU From: enjoysoft.bbs@bbs.sjtu.edu.cn (EnjoySoft Inc.) Newsgroups: cn.bbs.comp.database Subject: Re: ��һ��SQL���� Date: 09 Dec 2008 07:08:16 GMT Organization: ��ˮ˼Դ Message-ID: <4dN85V$b8W@bbs.sjtu.edu.cn> Mime-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: 8bit X-Filename: database/M.1228806415.A Lines: 24