Re: Undo Retention of 5 days; anyone?

From: Arup Nanda <orarup_at_hotmail.com>
Date: Thu, 12 Feb 2004 22:16:14 -0500
Message-ID: <BAY12-DAV14wBogrkVS000067d2@hotmail.com>

Indy,

Thanks for the update on the SCN time limitation. I wasn't thinking about that. If you do find some information on that limitation, I'll appreciate if you could please share that with me.

The theretical limit of undo_retention is some 136 years!

Thanks.

Arup

Original Message ----- From: "Indy Johal" <Indy.Johal_at_prnewswire.com> To: <oracle-l_at_freelists.org> Sent: Thursday, February 12, 2004 4:27 PM Subject: Re: Undo Retention of 5 days; anyone?

> Arup
> If I am correct, can we go beyond 5 days of Flashback recovery using
> Timestamp method in Oracle 9i. I know somebody referred earlier in the
> mail that he recover the data which is older than 15 days. I know that
> some documentation says that it is not possible as timestamp mapping to
> SCN is maintained in SMON_SCN_TIME for only 5 days. I am not having any
> configuration to test it so thought I can check with you.
>
> Thanks
>
> Indy Johal
> http://www.prnewswire.com
>
> (201) 946-5687 [W]
> (201) 400-3960 [M]
>
> "We tell your story to the world."
>
>
>
>
> "Arup Nanda" <orarup_at_hotmail.com>
> Sent by: oracle-l-bounce_at_freelists.org
> 02/12/2004 12:42 AM
> Please respond to oracle-l
>
>
> To: <oracle-l_at_freelists.org>
> cc:
> Subject: Undo Retention of 5 days; anyone?
>
>
> List,
> I have a very unusual request from users to have UNDO_RETENTION set to 5
> days. Normally I set to about 5 hours, not days. Don't ask why. They have
> inherited a bad design that requires flashing back to 5 days ago and, no,
> they can't redesign it.
>
> I'm curious if anyone has actually done it, i.e setting it to a very high
> value. Any input will be highly appreciated.
>
> Thanks a lot in advance.
>
> Arup
> ----------------------------------------------------------------
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> ----------------------------------------------------------------
> To unsubscribe send email to: oracle-l-request_at_freelists.org
> put 'unsubscribe' in the subject line.
> --
> Archives are at http://www.freelists.org/archives/oracle-l/
> FAQ is at http://www.freelists.org/help/fom-serve/cache/1.html
> -----------------------------------------------------------------
>
>
>
>
> ----------------------------------------------------------------
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> ----------------------------------------------------------------
> To unsubscribe send email to: oracle-l-request_at_freelists.org
> put 'unsubscribe' in the subject line.
> --
> Archives are at http://www.freelists.org/archives/oracle-l/
> FAQ is at http://www.freelists.org/help/fom-serve/cache/1.html
> -----------------------------------------------------------------
>

Please see the official ORACLE-L FAQ: http://www.orafaq.com

To unsubscribe send email to: oracle-l-request_at_freelists.org put 'unsubscribe' in the subject line.

--
Archives are at http://www.freelists.org/archives/oracle-l/
FAQ is at http://www.freelists.org/help/fom-serve/cache/1.html
-----------------------------------------------------------------

Received on Thu Feb 12 2004 - 21:16:14 CST