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Re: object # of extents

From: Brian Peasland <oracle_dba_at_nospam.peasland.net>
Date: Fri, 30 Jun 2006 13:19:33 GMT
Message-ID: <J1oD0n.Fus@igsrsparc2.er.usgs.gov>


>
> There in lies the problem. We are still using DMTs. If should go to
> reorg the tables that have over 4 or 8000 extents, would it be best to
> exp/truncate/imp or alter table move?
>

You should really consider converting to LMTs. There are too many benefits and I cannot think of a single reason not to do the conversion.

So I'd create a new tablespace and make this tablespace LMT. Then, I'd move the table in to this new tablespace with the ALTER TABLE MOVE command. There are a few restrictions on this operation (i.e. you cannot move a table that contains a LONG or LONG RAW column). So if the restrictions stop you from using the ALTER TABLE MOVE command, use export/import.

HTH,
Brian

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Brian Peasland
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http://www.peasland.net

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Received on Fri Jun 30 2006 - 08:19:33 CDT

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