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RE: locally managed tbs in 9i and extent sizes

From: Rachel Carmichael <wisernet100_at_yahoo.com>
Date: Wed, 16 Apr 2003 05:28:38 -0800
Message-ID: <F001.0058266A.20030416052838@fatcity.com>


> more than the size of required extent. To know the largest available
> contiguous chunk of space, use
> ( select max(bytes) from dba_free_space where
> tablespace_name='<tablespace name>'; )

Actually that's not quite true, because it's possible for contiguous extents to be listed in dba_free_space as two separate entries, depending on when they were freed up and if they had been allocated at different times.

you'd need to see if there is an entry where block_id = prior block_id+blocks

back in the days before I used uniform extents, I had a script that generated a report of contiguous space by tablespce. I don't need it anymore, LMTs and uniform sizing has allowed me to stop worrying about having contiguous space available.


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Author: Rachel Carmichael
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Received on Wed Apr 16 2003 - 08:28:38 CDT

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