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Re: Question about relationship and composite pk

From: Jan Hidders <hidders_at_REMOVE.THIS.win.tue.nl>
Date: 20 Mar 2001 08:14:47 GMT
Message-ID: <9973hn$h6f$1@news.tue.nl> 






For example: John Smith wrote:


> 

> Is it possible for a 1 to many relationship to have (1,1) Cardinality on

> both sides of the relationship?




No, that is by definition impossible; a relationship with an upperbound
of one on the cardinality on both sides is by definition a 1 to 1
relationship.


-- 
  Jan Hidders


Received on Tue Mar 20 2001 - 02:14:47 CST












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