Re: Codd provided appropriate mathematics ... (was Re: Relational and MV (response to "foundations of relational theory"))

Home -> Community -> Usenet -> comp.databases.theory -> Re: Codd provided appropriate mathematics ... (was Re: Relational and MV (response to "foundations of relational theory"))

From: Alfredo Novoa <alfredo_at_ncs.es>
Date: Tue, 02 Mar 2004 09:55:32 GMT
Message-ID: <4044590d.1561765@news.wanadoo.es>

On Mon, 1 Mar 2004 09:00:48 -0800, "Tom Hester" <$$tom_at_metadata.com> wrote:

>Sure there is. He did not call it 1NF then, only normal form saying:

He did not call it 1NF and it is not 1NF.

>"
>1.4. Normal Form
>A relation whose domains are all simple can be represented in storage by a
>two-dimensional column-homogeneous array of the kind discussed above. Some
>more complicated data structure is necessary for a relation with one or more
>nonsimple domains. For this reason (and others to be cited below) the
>possibility of eliminating nonsimple domains appears worth investigating.
>[see note 4] There is, in fact, a very simple elimination procedure, which
>we shall call normalization.

Currently we don't call normalization to that.

Regards
Alfredo Received on Tue Mar 02 2004 - 03:55:32 CST