Re: Does entity integrity imply entity identity?

From: Bob Badour <>
Date: Sat, 01 Aug 2009 14:22:53 -0300
Message-ID: <4a7479f3$0$23783$>

Mr. Scott wrote:

> Since the entity integrity rule ensures that a relational table cannot have
> any duplicate rows, does that imply that each row in a table maps to a
> distinct entity?

I am unfamiliar with an entity integrity rule. It sounds like some shit somone just made up to market ER diagrams.'s_12_rules

The guaranteed access rule is sometimes called the logical identity rule. Received on Sat Aug 01 2009 - 19:22:53 CEST

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