Re: So let me get this right: (Was: NFNF vs 1NF ...)
From: paul c <toledobythesea_at_oohay.moc>
Date: Fri, 11 Feb 2005 01:09:09 GMT
Message-ID: <VATOd.359123$Xk.320433_at_pd7tw3no>
>
>
> One doesn't have to go outside classic relational model in order to approach
> transitive closure. I could suggest only a glimpse of a theory here, but the
> idea is to watch the analogy with matrix algebra.
> ...
Date: Fri, 11 Feb 2005 01:09:09 GMT
Message-ID: <VATOd.359123$Xk.320433_at_pd7tw3no>
Mikito Harakiri wrote:
> "paul c" <toledobythesea_at_oohay.moc> wrote in message
> news:CTQOd.357547$Xk.278687_at_pd7tw3no...
>
>>"what is the theoretical problem with RVA's?" >> >>not to mention opportunities (recursion? parts explosion?).
>
>
> One doesn't have to go outside classic relational model in order to approach
> transitive closure. I could suggest only a glimpse of a theory here, but the
> idea is to watch the analogy with matrix algebra.
> ...
thanks, i'll ponder it. (i suppose the implication is that RVA's may not be necessary?)
p Received on Fri Feb 11 2005 - 02:09:09 CET