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Article #9278Re: ����һ��index,ִ��ʱ������Ϊԭ����1/700
From: �̺�����
Date: Tue, 26 Aug 2003 10:48
Date: Tue, 26 Aug 2003 10:48
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1484 bytes
hints ԭ������ô�õİ�����ǰ��˵���Dz�֪��������ô�� ���õ�ʲô��ݿ������? �� �� jerrysun.bbs@bbs.sjtu.edu.cn (jerry) �Ĵ������ᵽ: �� : 16:07:15 SQL> select count(*) from em_account; : COUNT(*) : ---------- : 6447525 : Elapsed: 00:00:07.37 : 16:21:12 SQL> select count(*) from em_subaccount; : COUNT(*) : ---------- : 3421727 : Elapsed: 00:00:01.40 : ........................... -- [m[1;32m�� ��Դ:������δ��վ bbs.pku.edu.cn��[FROM: 202.120.224.18][m
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arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!sn-xit-02!sn-xit-03!sn-xit-01!sn-xit-08!supernews.com!news-out.visi.com!petbe.visi.com!newshosting.com!news-xfer1.atl.newshosting.com!feed2.newsreader.com!newsreader.com!maily.cic.tsinghua.edu.cn!news.happynet.org!PKUShow Full Headers
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X-Google-Language: Chinese,GB X-Google-Thread: 101948,99f83ce73c4e9e59 X-Google-Attributes: gid101948,public X-Google-ArrivalTime: 2003-08-26 03:49:06 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!sn-xit-02!sn-xit-03!sn-xit-01!sn-xit-08!supernews.com!news-out.visi.com!petbe.visi.com!newshosting.com!news-xfer1.atl.newshosting.com!feed2.newsreader.com!newsreader.com!maily.cic.tsinghua.edu.cn!news.happynet.org!PKU From: gzm@bbs.pku.edu.cn (�̺�����) Newsgroups: cn.bbs.comp.database Subject: Re: ����һ��index,ִ��ʱ������Ϊԭ����1/700 Date: 26 Aug 2003 10:48:36 GMT Organization: ����δ��վ Message-ID: <481hfN$ZmC@bbs.pku.edu.cn> Mime-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: 8bit X-Filename: Database/M.1061894855.A Lines: 19