Re: 1GB Tables as Classes, or Tables as Types, and all that refuted

From: Alfredo Novoa <alfredo_at_ncs.es>
Date: Thu, 25 Nov 2004 13:51:41 GMT
Message-ID: <41a5e2e4.4452171@news.wanadoo.es>

On Wed, 24 Nov 2004 21:06:40 GMT, Jan Hidders <jan.hidders_at_REMOVETHIS.pandora.be> wrote:

>are you seriously contending that DBMSs
>that treat relational variables as types are making a fundamental
>mistake because by definition relational variables and types are
>distinct in the sense that something cannot be both at the same time?

Indeed, well expressed.

Date and Darven cover the problems of such fundamental mistake in chapter 2 of TTM (page 22).

>I simply cannot believe that you do not see what is problematic about
>this type of argument. Seriously.

So what is problematic?

It's well known that the DBMSs that tried to treat relational variables as types were a fiasco. The problems derived from such fundamental mistake helped a lot.

Regards Received on Thu Nov 25 2004 - 07:51:41 CST