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Article #565Re: �ʾ�SQL���,лл
From: ԡ���ˡ�ϲ���Ϻ�������
Date: Fri, 06 Feb 2009 09:46
Date: Fri, 06 Feb 2009 09:46
18 lines
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1568 bytes
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����mysql����ͨ���
�� �� Fireflyever (���е�ө��) �Ĵ������ᵽ: ��
: �ؼ�������A,B������,���Ա���A=1,B=2��A=3,B=4,���ֱ��A/B�Ļ���Ϊ0,�����ΪС��
: ,���Բ���ֱ����select * from Info order by A/B,�����������
: �� �� pax �Ĵ������ᵽ: ��
: : SELECT A,B,A/B as C FROM tbl order by C
: : ���ֻ����ʾA,B
: : ��ô
: : select A,B from (SELECT A,B,A/B as C FROM tbl order by C) as T
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X-Google-Thread: 101948,fd48b50538cdf067 X-Google-Attributes: gid101948,domainid0,public,usenet X-Google-Language: Chinese,GB Path: arc1-ca.pugleaf.net!g2news1.google.com!news2.google.com!news1.google.com!news.glorb.com!feeder.erje.net!news2.arglkargh.de!news.mixmin.net!feeder1.news.weretis.net!weretis.net!newsfeed.datemas.de!news.isoc.lu!news.shec6.edu.cn!SJTU From: pax.bbs@bbs.sjtu.edu.cn (ԡ���ˡ�ϲ���Ϻ�������) Newsgroups: cn.bbs.comp.database Subject: Re: �ʾ�SQL���,лл Date: 06 Feb 2009 09:46:45 GMT Organization: ��ˮ˼Դ Message-ID: <4eLGb2$bOa@bbs.sjtu.edu.cn> Mime-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: 8bit X-Filename: database/M.1233913586.A