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Article #1301Re: ����sql��ѯ����õ�����ֵ
From: ��װ��Ϳ���Ϸ�ʦ
Date: Wed, 17 Oct 2007 16:31
Date: Wed, 17 Oct 2007 16:31
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1450 bytes
��л������ѧ�ڸտ�ʼѧ���ܶ����������� ������ϸ����max()��������ʲô��������ֱ�Ӷ�avg()�Ľ����max�ɣ� �� �� liusuifeng (���幫��) �Ĵ������ᵽ: �� : Ŷ : select max(...) : from ... : select ave(..) : from... : where... : group by ... : �� �� Fizban (��װ��Ϳ���Ϸ�ʦ) �Ĵ������ᵽ: �� : : ����ֻ�ܵõ��ɼ������ֵ�ɣ� : : ��������ƽ��ֵ����ֵ���� -- http://bbs.sjtu.edu.cn/file/DnD/1190969291216880.jpg [m[1;37m�� ��Դ:����ˮ˼Դ bbs.sjtu.edu.cn��[FROM: 59.78.56.206][m
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X-Google-Thread: 101948,c358a5cfc57fdec4 X-Google-Attributes: gid101948,public,usenet X-Google-Language: Chinese,GB Path: arc1-ca.pugleaf.net!g2news2.google.com!news1.google.com!news.glorb.com!newsgate.cuhk.edu.hk!news.szu.edu.cn!bbsnews.sdu.edu.cn!SJTUBBS From: Fizban.bbs@bbs.sjtu.edu.cn (��װ��Ϳ���Ϸ�ʦ) Newsgroups: cn.bbs.comp.database Subject: Re: ����sql��ѯ����õ�����ֵ Date: 17 Oct 2007 16:31:43 GMT Organization: ��ˮ˼Դ Message-ID: <4WW6Ah$bid@bbs.sjtu.edu.cn> Mime-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: 8bit X-Filename: database/M.1192638475.A