Path: text.usenetserver.com!out02a.usenetserver.com!news.usenetserver.com!in04.usenetserver.com!news.usenetserver.com!nx01.iad01.newshosting.com!newshosting.com!post01.iad01!news.aliant.net!not-for-mail
Date: Wed, 08 Aug 2007 17:54:02 -0300
From: Bob Badour <bbadour@pei.sympatico.ca>
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.2) Gecko/20040804 Netscape/7.2 (ax)
X-Accept-Language: en-us, en
MIME-Version: 1.0
Newsgroups: comp.databases.theory
Subject: Re: attribute name conflicts
References: <62wgi.68059$NV3.45985@pd7urf2no><Cgwgi.68070$NV3.48265@pd7urf2no> <1186604622.962271.191350@d30g2000prg.googlegroups.com> <_Xpui.42934$fJ5.41723@pd7urf1no>
In-Reply-To: <_Xpui.42934$fJ5.41723@pd7urf1no>
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit
Lines: 14
Message-ID: <46ba2d31$0$4059$9a566e8b@news.aliant.net>
NNTP-Posting-Host: 142.176.76.107
X-Complaints-To: abuse@aliant.net
Xref: usenetserver.com comp.databases.theory:166156
X-Received-Date: Wed, 08 Aug 2007 16:53:06 EDT (text.usenetserver.com)

paul c wrote:

> Doug_McMahon@yahoo.com wrote:
> ...  I suspect it is these
> 
>> use cases that led Codd to distinguish attribute names, which
>> are effectively member names with meaning only within the
>> scope of a relation.  ...
> 
> The example I remember him giving was parts explosions.
> 
> p

I always did like a good exploding BOM.