Re: Recovery Manager (RMAN) problem

From: sybrandb <>
Date: Mon, 2 Jun 2008 05:39:19 -0700 (PDT)
Message-ID: <>

On Jun 2, 11:25 am, sati_82 <> wrote:
> Hello,
> I have the following problem. I need to implement a mechanism which
> will restore a database to its state in the past. The restore
> operation should start on demand. The machanism is supposed to be some
> kind of antidote for user errors (e.g. a user had changed data in DB
> and after that it turned out that all changes made were  wrong and DB
> has to be restored to its state before the user changes).
> For implementastion such mechanism I plan to use RMAN. I'm doing test
> for the moment and I found out that it doesn't work as I thought. I do
> the following:
> 1. I backup (with RMAN) a TABLESPACE on which database stores user
> data
> 2. I make changes in a table (the table is stored on backuped
> 3. I restore the TABLESPACE from the file backuped at point 1.
> The problem is that changes made (2) after I backup a tablespace (1)
> exists in the table (but I think it shouldn't because I restore the
> tablespace)(3).
> Could you please tell me what is the reason for that?
> I appreciate any help.
> Best regards,
> krys_tek

There is complete recovery and incomplete recovery. You need incomplete recovery but you perform complete recovery.

Sybrand Bakker
Senior Oracle DBA
Received on Mon Jun 02 2008 - 07:39:19 CDT

Original text of this message