Path: news.easynews.com!easynews!news-out.cwix.com!newsfeed.cwix.com!cpk-news-hub1.bbnplanet.com!news.gtei.net!znr.news.ans.net!news.chips.ibm.com!newsfeed.btv.ibm.com!gazette.almaden.ibm.com!hanover.torolab.ibm.com!tornews.torolab.ibm.com!ausnews.austin.ibm.com!sp15at20.hursley.ibm.com!not-for-mail From: paul.vernon@ukk.ibmm.comm Newsgroups: comp.databases.theory Subject: Re: What are the limits to the usefulness of normalization? Date: Thu, 20 Dec 2001 17:29:20 +0000 Organization: IBM Hursley Lines: 9 Message-ID: <9vt7ab$sqs$2@sp15at20.hursley.ibm.com> References: NNTP-Posting-Host: lig32-239-169-117.emea.lig-dial.ibm.com Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" X-Trace: sp15at20.hursley.ibm.com 1008869516 29532 32.239.169.117 (20 Dec 2001 17:31:56 GMT) X-Complaints-To: news@hursley.ibm.com NNTP-Posting-Date: Thu, 20 Dec 2001 17:31:56 +0000 (UTC) X-Newsreader: Lotus Notes Release 5.0.7 March 21, 2001 X-MIMETrack: Serialize by Idle on Paul Vernon/UK/IBM(Release 5.0.7 |March 21, 2001) at 12/20/2001 05:30:50 PM, Serialize complete at 12/20/2001 05:30:50 PM Xref: easynews comp.databases.theory:19292 X-Received-Date: Thu, 20 Dec 2001 10:54:08 MST (news.easynews.com) > 2. Maintainance of referential integrity. So RI is easier to maintain in a denormalised model!?? I don't think so. It might be less obvious that you are not maintaining it , but that's only useful when you're pulling wool. Regards Paul Vernon