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Re: Oracle and PICK

From: Dale Benedict <dalebnospam_at_spamnotwantedflightcraft.ca>
Date: Thu, 22 Apr 2004 19:56:30 GMT
Message-ID: <OrVhc.3499$mP2.3391@edtnps89>

"daveb" <davebest_at_nospamusa.net> wrote in message news:Jq-dnQgQB94lmxrdRVn-jA_at_speakeasy.net...
> "Dale Benedict" <dalebnospam_at_spamnotwantedflightcraft.ca> wrote in message
> news:SeChc.4$P72.0_at_edtnps84...
> >
> > I'm back for some education and I hope that you or others may help.
> >
> > I have searched on the web regarding Oracle's clustering as it pertains
to
> > data records, and only found a few things that confused me. (that aint
> too
> > hard ;^) )
> >
> > Does the clustering actual put header and detail information into the
same
> > physical record on disk
>
> Yes. From Tom Kyte's _expert one-on-one Oracle_: "Clustered tables give
> you the ability to physically 'pre-join' data together. You use clusters
to
> store related data from many tables on the same database block. Clusters
> can help read intensive operations that always join data together or
access
> related sets of data."
>
> A database block is one or a few disk sectors (i.e. the unit of a physical
> disk read operation), whatever is most efficient for the hardware/OS
> combination.
>
>

Thanks for the update :7)

Having a better name for the technology helps in doing the research.

I might get back to you with some more questions.

Dale Received on Thu Apr 22 2004 - 14:56:30 CDT

Original text of this message

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