Path: dp-news.maxwell.syr.edu!spool.maxwell.syr.edu!drn.maxwell.syr.edu!news.maxwell.syr.edu!border1.nntp.dca.giganews.com!nntp.giganews.com!local1.nntp.dca.giganews.com!nntp.comcast.com!news.comcast.com.POSTED!not-for-mail NNTP-Posting-Date: Thu, 14 Oct 2004 13:26:12 -0500 Reply-To: "Laconic2" From: "Laconic2" Newsgroups: comp.databases.theory References: <5g9mkc.kq8.ln@mercury.downsfam.net> Subject: Re: 4 the Faq: Strengths and Weaknesses of Data Models Date: Thu, 14 Oct 2004 14:25:57 -0400 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 Message-ID: Lines: 19 NNTP-Posting-Host: 24.60.68.134 X-Trace: sv3-ZcQIoBf2RkGBN+EhPQLnpGGMFrTa3Sg2HrM+9zEYrbJZoVhWQxc6zDbezOf0WSrCQIhxGyJX0JYxZpF!ZTrVfv6SutFFMCTzssEVbX3jVKyve1afEZj5ldVzHnDCzSOl14SRuGvGue7p X-Complaints-To: abuse@comcast.net X-DMCA-Complaints-To: dmca@comcast.net X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.19 Xref: dp-news.maxwell.syr.edu comp.databases.theory:26845 "Kenneth Downs" > But are any of those features directly tied to the RDM, or are they simply > the result of RDB developers having more respect for the time and effort of > the developers? It was essentially the same engineering team that built both products, although a few years apart. All of the features that I drew attention to are a direct consequence of the difference between the RDM and the CODASYL DM. Of course, DEC SW engineering interpreted "relational DBMS" in ways that some in this crowd dismiss as heretical or, even worse, commercial. Now ask me if I care.