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Re: Database Design problem

From: Jon Heggland <heggland_at_idi.ntnu.no>
Date: Tue, 29 Nov 2005 09:31:24 +0100
Message-ID: <MPG.1df63047a5b82f4c989714@news.ntnu.no> 





In article <dmfvhg$g5o$1_at_domitilla.aioe.org>, wallace.reis_at_gmail.com 
says...


> Your model allows the folowing datasets to occur:

> [8<]

> Chelsea X Chelsea (!)




An exceedingly simple constraint will take care of that.

-- 
Jon


Received on Tue Nov 29 2005 - 02:31:24 CST












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