Re: Relation or attribute and why
From: Gene Wirchenko <genew_at_ucantrade.com.NOTHERE>
Date: Wed, 24 May 2006 09:08:54 -0700
Message-ID: <m419725upa1r1cbsjngurlc7sr7i12b47p_at_4ax.com>
Date: Wed, 24 May 2006 09:08:54 -0700
Message-ID: <m419725upa1r1cbsjngurlc7sr7i12b47p_at_4ax.com>
On Wed, 24 May 2006 12:33:43 GMT, "David Cressey"
<dcressey_at_verizon.net> wrote:
[snip]
>
>Conceptual Data Model has enough detail to describe the problem domain from
>a data centric point of view.
>The napkin model doesn't. The difference between the napkin model and the
>CDM is analysis.
Of course. A conceptual model (and note that I do not put the
word "data" in there) is that undetailed. That is what the analysis
is for, and the result is a logical model.
What do you disagree with?
[snip]
Sincerely,
Gene Wirchenko Received on Wed May 24 2006 - 18:08:54 CEST