Re: One-To-One Relationships

From: Jan Hidders <>
Date: Fri, 30 Nov 2007 06:34:29 -0800 (PST)
Message-ID: <>

On 30 nov, 15:17, JOG <> wrote:


> Anything that can be described as a noun is an entity in my book,
> whether abstract or not. We must be able to describe them by their
> attributes, and identify them by one attribute that is consistent over
> the lifetime in the universe of discourse. That's my take.

Why by only one attribute? Why not by a set of attributes? Or a combination of attributes and relationships (as is the case for weak entities)?

  • Jan Hidders
Received on Fri Nov 30 2007 - 15:34:29 CET

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