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Article #293Re: ��� ��ݿ��insert
From: Galaxy��VOLUNTEERS��Database
Date: Sat, 04 Jul 2009 12:52
Date: Sat, 04 Jul 2009 12:52
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2083 bytes
���GJ �� �� cenalulu (cenalulu) �Ĵ������ᵽ: �� : mysql��on duplicate key�IJ��� : http://dev.mysql.com/doc/refman/5.0/en/insert-on-duplicate.html : �Ȱ���Ҫ��Ҫ�жϵļ���col����һ��unique key�� : Ȼ�� : insert into tbl_name values(1,2,3) on duplicate key update count=count+1; : �� �� holycai �Ĵ������ᵽ: �� : : ������Ҫ�Ѻܶ������insert ������ݿ⣺�����������Ŀ������ͬ���������.. : : �Ѿ����ڣ�������ݿ����Ŀ�ϵ�count�ֶ�+1������insert һ���µĽ�����ݿ⡣ : : ����ÿ�μ���Ŀǰ��Ҫ����������е�������ж��Ƿ��Ѿ����ڣ�����ӵ����Խ��.. : : ʱ������ٶ�Խ��Խ��������û��ʲô�취��������ٶȣ����߲���Ҫ���������.. : .................������ʡ�ԣ� -- Welcome to Database Board ��ӭ������ݿ�� http://bbs.sjtu.edu.cn/bbsdoc?board=database [m[1;32m�� ��Դ:����ˮ˼Դ bbs.sjtu.edu.cn��[FROM: 124.79.146.211][m
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X-Google-Thread: 4df683fd51,7e06d208d1c198c7,start X-Google-Attributes: gid4df683fd51,public,usenet X-Google-NewGroupId: yes 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: Dem.bbs@bbs.sjtu.edu.cn (Galaxy��VOLUNTEERS��Database) Newsgroups: cn.bbs.comp.database Subject: Re: ��� ��ݿ��insert Date: 04 Jul 2009 12:52:31 GMT Organization: ��ˮ˼Դ Message-ID: <4gf3T8$bOY@bbs.sjtu.edu.cn> Mime-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: 8bit X-Filename: database/M.1246711928.A Lines: 20