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Re: 1 NF

From: Alfredo Novoa <alfredono_at_gmail.com>
Date: 1 Mar 2007 09:58:43 -0800
Message-ID: <1172771923.750965.265350@z35g2000cwz.googlegroups.com>


Hi, Fredrik

On 28 feb, 20:14, "frebe" <freb..._at_gmail.com> wrote:

> I read an interview with Chris Date (http://www.dbmsmag.com/
> int9410.html) which made me a little bit confused. He claims that
> having an array as a column values doesn't violates 1NF. Is this the
> common opinion at comp.databases.theory too?

It seems that is not very common but it is my opinion too.

> If yes, how is it
> possible at apply 1NF at all, in that case?

1NF is irrelevant because any relation is in 1NF by definition.

> Does a blob containing an image violates 1NF?

No.

Regards Received on Thu Mar 01 2007 - 11:58:43 CST

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