Re: Ping: dawn, some mvl questions

From: mAsterdam <mAsterdam_at_vrijdag.org>
Date: Wed, 24 May 2006 08:56:37 +0200
Message-ID: <447402ed$0$31644$e4fe514c@news.xs4all.nl>

Gene Wirchenko threw away context by snipping these questions by Keith H Duggar:

>>> Ok so this goes to the /using/ or /manipulation/ of a list
>>> representation as opposed to modeling correct?

and

>>> And isn't this a physical or implementation issue as opposed to a
>>> logical issue?

.

(The second "this" referred to "/using/ or /manipulation/ of a list representation".)

to which mAsterdam replied:

>>I don't think it is. Is normalisation a physical /
>>implementation issue? No. Yet it is driven by
>>the avoidance of update anomalies.

Gene asked:

> Why the "yet"? Update anomalies are a data model problem.

Indeed. Evaluation of "/using/ or /manipulation/" is part of the modeling process. The "yet" was to oppose the "as opposed to" in Keith's first question. Received on Wed May 24 2006 - 01:56:37 CDT