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Mandatory on one side of one to many?

From: Mike MacSween <mike.macsween.nospam_at_btinternet.com>
Date: Sun, 5 Sep 2004 10:48:40 +0100
Message-ID: <413ae0f6$0$6335$5a6aecb4@news.aaisp.net.uk> 





Production (one) to events (many)



Events must have a production (easy, non null FK)



A Production doesn't make (business) sense without an event. How to enforce
a mandatory relationship on the one side?



Any ideas?



Cheers, Mike MacSween
Received on Sun Sep 05 2004 - 04:48:40 CDT












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