Re: HOT Back up
- From: Jared Still <jkstill@xxxxxxxxx>
- To: gm_nirmal@xxxxxxxxx
- Date: Thu, 30 Sep 2004 10:40:28 -0700
On Thu, 30 Sep 2004 01:31:55 -0700 (PDT), Nirmal Kumar M
<gm_nirmal@xxxxxxxxx> wrote:
>
> 3. But here the question is how the data which has
> been archived, how that can be rollbacked and how that
> can be removed from Archived files.??
>
> =====
Please read the concepts manual section on both Rollback Segments/UNDO,
and on REDO and Archive logs.
I suspect you have a backgound in Sybase or SQL server, both of which
use the redo data for both redo and undo.
Oracle has no such limitation. :)
--
Jared Still
Certifiable Oracle DBA and Part Time Perl Evangelist
--
//www.freelists.org/webpage/oracle-l
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