Article View: cn.bbs.comp.database
Article #9245Re: ����ʲ�����
From: �泯��,��ů����
Date: Sun, 24 Aug 2003 04:03
Date: Sun, 24 Aug 2003 04:03
22 lines
2134 bytes
2134 bytes
������sqlserver�ｨ����֮���ϵͼ���õ����� �� �� tiancai (tiancai) �Ĵ������ᵽ: �� : foreign key : һ�����ֶ��ѣ���������Щ����ʱ����һ�㣨�ҵ���⣩ : ������Ȿ����ָ�� : ���Student���primary key��StudentID : ��һ����¼ѧ������¼����ݿ������л�����ôһ���ֶ�BorrowerStudentID : �Ǹ�����һ��foreign key. : ��Ϊ�Ǹ��ֶε�ȡֵ����Student��primarykey : : ���������������������foreign key������֣���Ϊ������������ѡ��������� : ���һ��primarykey����һ�����foreign key��ôɾ���¼��ʱ���Ҫ������� : .................������ʡ�ԣ� -- ���Ҹ�����������ҵ� �ҽ�����ÿһ���� ��ÿһ����ÿһ��ɽȡһ����ů������ İ����, ��ҲΪ��ף�� Ը����һ�����õ�ǰ�� Ը���������ճɾ��� [m[1;31m�� ��Դ:����ˮ˼Դ bbs.sjtu.edu.cn��[FROM: 211.80.44.220][m
Technical Details
Message-ID:
<4806EN$bmc@bbs.sjtu.edu.cn>Path:
arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!sn-xit-02!sn-xit-04!sn-xit-06!sn-xit-09!supernews.com!newsfeed.news2me.com!newsfeed.media.kyoto-u.ac.jp!newsgate.cuhk.edu.hk!news.zixia.net!news.neu.edu.cn!SJTUShow Full Headers
Complete Article Headers
X-Google-Language: Chinese,GB X-Google-Thread: 101948,d8f441e5615bacc9 X-Google-Attributes: gid101948,public X-Google-ArrivalTime: 2003-08-23 21:03:08 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!sn-xit-02!sn-xit-04!sn-xit-06!sn-xit-09!supernews.com!newsfeed.news2me.com!newsfeed.media.kyoto-u.ac.jp!newsgate.cuhk.edu.hk!news.zixia.net!news.neu.edu.cn!SJTU From: wa.bbs@bbs.sjtu.edu.cn (�泯��,��ů����) Newsgroups: cn.bbs.comp.database Subject: Re: ����ʲ����� Date: 24 Aug 2003 04:03:38 GMT Organization: ��ˮ˼Դ Message-ID: <4806EN$bmc@bbs.sjtu.edu.cn> Mime-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: 8bit X-Filename: database/M.1061697719.A Lines: 22