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Re: Export - Compress question

From: Connor McDonald <connor_mcdonald_at_yahoo.com>
Date: Sat, 25 Mar 2000 09:09:54 +0800
Message-ID: <38DC11E1.76A2@yahoo.com>


Van Messner wrote:
>
> Thanks. I didn't drop and recreate the table, I just truncated it. I
> thought the import would override the initial extent if I chose compress in
> the export. But you're saying that isn't so? I guess the index came back
> in one extent because it was recreated when the rows were imported back in.
>
> Van
>
> Sybrand Bakker <postbus_at_sybrandb.demon.nl> wrote in message
> news:953920488.16818.0.pluto.d4ee154e_at_news.demon.nl...
> > However, you didn't recreate the table, if I read correctly.
> > So your initial extent is not 400k, as it should have been after import of
> a
> > file with compress extents.
> > So it is not amazing the table is not in one single extent.
> >
> > Regards,
> >
> > Sybrand Bakker, Oracle DBA
> >
> > Van Messner <vmessnerNOvmSPAM_at_discovernet.com.invalid> wrote in message
> > news:06dd4dce.6e4530e7_at_usw-ex0106-047.remarq.com...
> > > I have a table of 400K bytes with an inital extent of 256K and
> > > a next of 4K. It has thrown extents.
> > > I exported the table, truncated the table, reset the storage
> > > parameter next to 256K and imported the table. The export
> > > parfile had compress=Y.
> > > After import the table came back in at two extents. I thought
> > > compress always forced the existing rows into one extent.
> > > Did I miss something?
> > >
> > > Van
> > >
> > > PS: the only table index which was 350K had an initial extent
> > > of 256K and a next of 4K. I reset its storage parameter next to
> > > 256K when I did the table. After import the index is in one
> > > extent.
> > >
> > > * Sent from RemarQ http://www.remarq.com The Internet's Discussion
> Network
> > *
> > > The fastest and easiest way to search and participate in Usenet - Free!
> > >
> >
> >

As far as I am aware the only way to alter the initial extent would be to issue a 'deallocate unused'..

HTH
--



Connor McDonald
http://www.oracledba.co.uk

We are born naked, wet and hungry...then things get worse Received on Fri Mar 24 2000 - 19:09:54 CST

Original text of this message

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