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Home -> Community -> Usenet -> comp.databases.theory -> Re: How to represent category, subcategory, product
Neo wrote:
> > But this doesn't seem quite right because it allows the possibility that Prod.CatId != Prod.Subcat.CatId.
>
> T_Cat (CatID)
> T_Product (PrID)
> T_ProdCat (PrID, CatID)
>
> Derive subCats.
You've lost me here, how can you derive subcategory from PrID, CatID?
/Lennart Received on Tue Nov 21 2006 - 15:09:40 CST
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