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#9084

From: ��~! ��У��
Date: Sat, 13 Sep 2003 11:24

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braod(id number(18),name varchar2(255));
post(id number(18),title varchar2(255),content text, broadid)
 constraint foreign key (broadid) reference broad.id;
user(id number(18),name varchar2(255));
post_user(postid,userid)
constraint foreign key (postid) refrence post.id,
constraint foreign key (userid) reference user.id
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From: poorboy.bbs@bbs.sjtu.edu.cn (����~! ��У��)
Newsgroups: cn.bbs.comp.database
Subject: Re: �ʸ�����
Date: 13 Sep 2003 11:24:58 GMT
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