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Re: How long is long enough for primary key ?

From: David Portas <REMOVE_BEFORE_REPLYING_dportas_at_acm.org>
Date: 7 Oct 2006 02:49:06 -0700
Message-ID: <1160214545.996291.236280@m73g2000cwd.googlegroups.com>


DA Morgan wrote:
>
> Second Normal Form
> tables do not have composite primary keys
>

I realize that your definitions are only informal but this one is a total mistake. 2NF does not imply the absence of composite keys.

-- 
David Portas
Received on Sat Oct 07 2006 - 04:49:06 CDT

Original text of this message

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