Re: What does this NULL mean?

From: Alfredo Novoa <alfredo_novoa_at_hotmail.com>
Date: 15 Dec 2005 04:26:49 -0800
Message-ID: <1134649609.075897.113340@g43g2000cwa.googlegroups.com>

>> Database design maintenance has nothing in special.

>Well then neither does the original database design.
>One is just as critical as the other.

What I mean is that they don't have significant differences. The catalog is a database like any other and we already have excellent (theoretical) tools to manage databases.

You are trying to mud a very simple issue for unknown purposes.

>In that case, out with the trivialised summary of
>schema evolution. You have the floor. Please outline
>what Date has said about this issue.

We can manage the schema applying all the power of the RM on the catalog relvars.

A very elegant and powerful way. Isn't it?

Regards
Alfredo Received on Thu Dec 15 2005 - 06:26:49 CST