Also because your database blocks end up looking like Swiss cheese.
Pctfree and pctused come to play, I know, but you still lose some space.
Patrice Boivin
Systems Analyst (Oracle Certified DBA)
Systems Admin & Operations | Admin. et Exploit. des systèmes
Technology Services | Services technologiques
Informatics Branch | Direction de l'informatique
Maritimes Region, DFO | Région des Maritimes, MPO
E-Mail: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
-----Original Message-----
From: C.S.Venkata Subramanian [SMTP:[EMAIL PROTECTED]]
Sent: Friday, March 09, 2001 8:17 AM
To: Multiple recipients of list ORACLE-L
Subject: Re: Re-claiming the space from Table after deleteion
If we delete data from a table, tables highwater mark doesnot come
down. That's why u cannot reclaim the freespace after deletion from a table.
This FYI&A
--
On Fri, 09 Mar 2001 01:56:07
rafi wrote:
>Dear All,
>
> Platform: Solaris 2.6, Oracle: 7.3.4.0
>
>We have a few tables which are growing very fast due to large no of
>insertions. But the data gets obselete after a month and we use a
>procedure to delete the obselete data from the tables.
>
> The problem is that the table does not free the space even
after the deletion of 40% of the data.
>
>How can we re-claim the unused space which got created due to
deletion?
>
>How do we ensure that future inserts are done in this unused space?
>
>
> [We can not try exp/imp or truncate option
> due to the huge size & high activity and
> online use of the tables].
>
>Kind Regards and thanks to all there,
>
>
>Rafi Ahmad
>
>
>
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Author: C.S.Venkata Subramanian
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