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Home -> Community -> Usenet -> comp.databases.theory -> Re: Lucid statement of the MV vs RM position?
Jon Heggland wrote:
> Marshall Spight wrote:
> >
> > You describe two things. You say they are different, but I don't
> > see any differences.
>
> Then I don't know how to convince you. Shall I show you the grammar?
> http://web.onetel.com/~hughdarwen/TheThirdManifesto/APPXI.pdf
No, I think Bob got it right; I was talking in the abstract, and you were speaking specifically of TTM; we were using the same words but in a different way.
> Is that operator the aggregate operator SUM()? Certainly not; for one
> thing, SUM() produces a numerical value, not a relation. Rather, it is
> the relational operator SUMMARIZE, *using* the aggregate operator SUM as
> part of its invocation. Do you agree with this?
Sure.
Marshall Received on Mon May 08 2006 - 01:48:49 CDT
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