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Re: Database Design problem

From: Jon Heggland <heggland_at_idi.ntnu.no>
Date: Wed, 30 Nov 2005 12:20:47 +0100
Message-ID: <MPG.1df7a96e8b72b51298971c@news.ntnu.no> 





In article <dmi5v9$1r8$1_at_domitilla.aioe.org>, wallace.reis_at_gmail.com 
says...


> Jon Heggland wrote:

> > An exceedingly simple constraint will take care of that.

> 

> How would you do it?




In D4 syntax:



constraint DontPlayAgainstYourself


  hometeam <> awayteam

-- 
Jon


Received on Wed Nov 30 2005 - 05:20:47 CST












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