Path: utzoo!attcan!uunet!husc6!cs.utexas.edu!natinst!bloom!bobd
From: bobd@bloom.UUCP (Bob Donaldson)
Newsgroups: comp.databases
Subject: Re: E.F. Codd and the Relational Model
Summary: Codd's 12 rules - recent source
	 Database Programming & Design
Message-ID: <525@bloom.UUCP>
Date: 23 Nov 88 15:58:03 GMT
References: <15212@iuvax.cs.indiana.edu>
Lines: 19

In article <15212@iuvax.cs.indiana.edu>, bkliewer@iuvax.cs.indiana.edu (Bradley Dyck Kliewer) writes:
> Also, I've seen a very short description of Codd's 12 rules, but there
> are a couple which I'm not quite clear on.  The article references
> Computer World, but gives no issue data.  Can anybody give me an issue #,
> or another book title which gives a thorough (and accurate) description?


There is an excellent article in the recent (NOV?) issue of Database 
Programming & Design which deals with Codd's 12 rules.  Very clear &
readable, and even includes some of Codd's thoughts on what the rules
DO NOT say.  I recommend both the article and the magazine.

-=-
Bob Donaldson              ...!cs.utexas.edu!natinst!radian!bobd
Radian Corporation                    ...!sun!texsun!radian!bobd
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Views expressed are my own, not necessarily those of my employer.