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Re: How to represent category, subcategory, product

From: Lennart <Erik.Lennart.Jonsson_at_gmail.com>
Date: 21 Nov 2006 13:37:41 -0800
Message-ID: <1164145061.820697.120430@m7g2000cwm.googlegroups.com> 






Neo wrote:


> > > Derive subCats.

> >

> > You've lost me here, how can you derive subcategory from PrID, CatID?

>

> Suppose set1 has members A, B, C.

> Suppose set2 has members B, C.

> Here we can derive set2 is a proper subset of set1 because

> every member of set2 is in set1

> but not every member of set1 is in set2.




Agreed, but how do you map this to the relations category, subcategory
and product?



/Lennart
Received on Tue Nov 21 2006 - 15:37:41 CST












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