Re: One-To-One Relationships

From: Jan Hidders <>
Date: Fri, 30 Nov 2007 13:44:14 -0800 (PST)
Message-ID: <>

On 30 nov, 19:45, "David Cressey" <> wrote:
> Here's the way I would try to unify the two concepts. Relationships can be
> binary, ternary, and so on, depending on the number of entities involved in
> a single instance of the relationship. How about considering an entity a
> "unary relationship"?

Minor nitpick: that unary relation is the entity type (or class or whatever you want to call it), not the entity itself, which is of course the thing for which the unary relationship holds. Otherwise you are of course completely correct.

  • Jan Hidders
Received on Fri Nov 30 2007 - 22:44:14 CET

Original text of this message