Re: modeling either/or relationship...

From: -CELKO- <>
Date: 2 Feb 2006 11:45:05 -0800
Message-ID: <>

I agree that doors are an attribute and not a subclass. If we need to aggregate up the hierarchy, I would have a UNION-ed VIEW on the common attributes and use it. Received on Thu Feb 02 2006 - 20:45:05 CET

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