Re: Do Data Models Need to built on a Mathematical Concept?
From: Lauri Pietarinen <lauri.pietarinen_at_atbusiness.com>
Date: Sat, 03 May 2003 23:28:14 +0300
Message-ID: <3EB4265E.8020707_at_atbusiness.com>
Date: Sat, 03 May 2003 23:28:14 +0300
Message-ID: <3EB4265E.8020707_at_atbusiness.com>
Bob Badour wrote:
>Why create 'persons', 'airplanes', 'colors' etc. as tables? 'Neo' asked you
>to create them as types or domains with a common supertype. The best answer
>is simply: One can do that with any relational dbms that supports type
>inheritence.
>
OK, yes, you could simulate the effects of an OO-system by just putting
the data and intelligence in
the types and saving them in relations. But the same applies: you lose
transparency, optimisability, etc...
... all the advantages of the RM!
regards,
Lauri
Received on Sat May 03 2003 - 22:28:14 CEST