Re: Views for denomalizing
From: Alfredo Novoa <alfredo_novoa_at_hotmail.com>
Date: Fri, 04 Feb 2005 15:03:18 +0100
Message-ID: <t407015adk2hcvr56sh04an51rv85fjgfv_at_4ax.com>
Date: Fri, 04 Feb 2005 15:03:18 +0100
Message-ID: <t407015adk2hcvr56sh04an51rv85fjgfv_at_4ax.com>
On 2 Feb 2005 22:34:47 -0800, lauri.pietarinen_at_atbusiness.com wrote:
>1NF is just another way to say that all data must be perceived as
That is the Information Principle, not 1NF.
>relations,
The Information Principle is a prerequsite to normalization.
IMO 1NF is supefluous and only exists due to historical reasons.
>and relations, by definition do NOT have duplicate tuples (or rows, in
>SQL-speak).
Nor nulls.
Regards Received on Fri Feb 04 2005 - 15:03:18 CET