Re: Another view on analysis and ER

From: Jon Heggland <jon.heggland_at_ntnu.no>
Date: Thu, 06 Dec 2007 12:22:31 +0100
Message-ID: <fj8m2d$7ae$1@orkan.itea.ntnu.no>

Quoth David Cressey:
> "Jon Heggland" <jon.heggland_at_ntnu.no> wrote in message
> news:fj8fff$3ed$1_at_orkan.itea.ntnu.no...

>> mind, I see your point---but that doesn't answer my question: When is
>> modelling design, and when is it analysis? A bald statement that
>> relation-based models are designed doesn't cut it, even if it is
>> seconded; I need rational arguments.

>
> If you are modeling features of the problem, it's analysis. If you are
> modeling features of both the problem and the solution, it's design.

Still too hand-wavy for my taste. You say you discover attributes as part of analysis, but those attributes are also features of the solution.

Are you going to respond to the other points in my post?

-- 
Jon

Received on Thu Dec 06 2007 - 05:22:31 CST