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_at_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 - 22:37:41 CET

Original text of this message