Re: definitions for conceptual, logical, physical
Date: Fri, 23 Jun 2006 22:08:43 +0200
> Hi all,
> We use these terms a lot: conceptual, logical, physical.
> I believe I have a good intuitive understanding of these
> terms and how they are used. However, an intuitive
> understanding and a formal definition are not the same
> Anyone have formal definitions for the above terms?
Not yet an answer, but maybe helpful to those also
looking for one:
ANSI-SPARC Three-level Architecture has
- external - conceptual - physical
First time I heard about 'logical' (between conceptual and physical) was in the context of relational databases. Received on Fri Jun 23 2006 - 22:08:43 CEST