Path: news.easynews.com!newsfeed1.easynews.com!easynews.com!easynews!uunet!dfw.uu.net!an02.austin.ibm.com!ausnews.austin.ibm.com!sp15ce20.hursley.ibm.com!not-for-mail From: "Paul Vernon" Newsgroups: comp.databases.theory Subject: Re: database design method Date: Tue, 12 Nov 2002 13:09:43 -0000 Organization: IBM Hursley Lines: 20 Message-ID: References: <3dd03675$1@news.uia.ac.be> <3dd0dce6$1@news.uia.ac.be> NNTP-Posting-Host: dyn-9-140-177-100.warwick.uk.ibm.com X-Trace: sp15at20.hursley.ibm.com 1037106633 16662 9.140.177.100 (12 Nov 2002 13:10:33 GMT) X-Complaints-To: news@hursley.ibm.com NNTP-Posting-Date: Tue, 12 Nov 2002 13:10:33 +0000 (UTC) X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2800.1106 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1106 Xref: newsfeed1.easynews.com comp.databases.theory:23603 X-Received-Date: Tue, 12 Nov 2002 06:36:14 MST (news.easynews.com) "Jan Hidders" wrote in message news:3dd0dce6$1@news.uia.ac.be... > >Could there be such a thing as "conceptual encapsulation"? > > Exactly! My compliments. You are asking the right questions. I would say > that term encapsulation in a logical conceptual data model is a > contradiction in terms. This is actually one of the best and deepest > arguments I know against the use of OO data models as logical data models. Agreed. This is Date saying about the same thing (I think) Encapsulation Is a Red Herring C.J.Date http://www.dbpd.com/vault/9809date.html Regards Paul Vernon Business Intelligence, IBM Global Services