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Re: Book about query processing / query optimization searched

From: Cimode <cimode_at_hotmail.com>
Date: Sun, 14 Oct 2007 09:31:36 -0700
Message-ID: <1192379496.571929.217480@z24g2000prh.googlegroups.com>


On 14 oct, 04:43, paul c <toledobythe..._at_ooyah.ac> wrote:
> --CELKO-- wrote:

<<I suppose column-based representations are superior when joins never involve more than one per relation but the other complications will attract implementers, as usual. >>
A key fundamental issue...

Question is: how could a column-based physical relation or relation operation representation be superior in *any* case to some other representation. Another way to ask the question: could join consumption of IO resources under a column based system be increasing any otherwise than exponentially as the number of join operation increases? Received on Sun Oct 14 2007 - 11:31:36 CDT

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