Re: Does entity integrity imply entity identity?
Date: Sun, 2 Aug 2009 01:10:08 -0400
"Bob Badour" <bbadour_at_pei.sympatico.ca> wrote in message
> 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.
Does that mean that entity integrity implies entity identity? Is logical identity the same thing as entity identity? Received on Sun Aug 02 2009 - 07:10:08 CEST