Re: Lucid statement of the MV vs RM position?

From: paul c <toledobythesea_at_oohay.ac>
Date: Thu, 04 May 2006 17:05:55 GMT
Message-ID: <Tvq6g.123889$WI1.29699_at_pd7tw2no>

Jon Heggland wrote:
> paul c wrote:
>

>>...
>>(group and ungroup seem to always imply a key, possibly a
>>different one from the input relvar's key and this seemed a little
>>chicken and egg to me).

>
>
> I don't understand this.
> ...

Maybe I should have said that group always seems to imply an additional FD in the result and ungroup always seems to imply the removal of one in the result?

p Received on Thu May 04 2006 - 19:05:55 CEST

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