Re: MV Keys

From: Jon Heggland <>
Date: Thu, 2 Mar 2006 17:14:19 +0100
Message-ID: <>

In article <>, says...
> To me this highlights the difference between 1-NF and further
> normalization. The RM is based on a functional mapping of column names
> to values. If a relation is not in 1-NF its tuples cannot be modelled
> functionally, and this being the core of RM, it is definitional as
> opposed to just mere convenience.

The functional mapping is retained if you accept that a relation value can be considered a (single) value.

Received on Thu Mar 02 2006 - 17:14:19 CET

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