Re: Rollback via Fast Recovery Area - Oracle 11g

From: Ram Cheruvattath <ram.cheruvattath_at_gmail.com>
Date: Tue, 28 Jul 2015 08:58:23 -0400
Message-ID: <26E8288CDA8944978AC65E3115824682_at_RAMPC>

If all you want to do is flashback to a specific restore point, there is no need to set flashback logging on at the database level. A guaranteed restore point is all you need. There should be no need to shutdown the database to enable flashback logging.

Ram

From: Eriovaldo Andrietta
Sent: Tuesday, July 28, 2015 8:03 AM
To: ORACLE-L
Subject: Rollback via Fast Recovery Area - Oracle 11g

Hi,

I am planning a rollback (Fast Recovery Area) procedure in the Oracle 11g. The idea is: Change the product version. For example, the product is in the version 10.0 and I need to change some objects and data increasing the version to 10.1.

If everything is OK I don´t need rollback, it is considered as GO but for some reason, I can imagine many, the customer says: NOGO, so I need to rollback to version 10.0

I did some research about Fast Recovery Area and commands are bellow.

My doubts are:

1.) Does anyone have experience with this recovery resource ? 2.) If I don´t need rollback , can I only drop restore point that all changes made will stay in the database ?

/* ---------- BEGIN ------------------------- */

shutdown immediate
startup mount
archive log list
show parameter db_recovery_file

ALTER SYSTEM SET DB_RECOVERY_FILE_DEST_SIZE = 10g; ALTER SYSTEM SET DB_RECOVERY_FILE_DEST = '<some folder in the database server disk>';

select flashback_on from v$database;
alter database flashback on ;
select flashback_on from v$database;
create restore point teste guarantee flashback database; select flashback_on from v$database;
select scn, garantee_flashback_database, time, name from v$restore_point; alter database open;
-----------> **************************************************** <------------
-----------> Change objects via DDL commands in the database <------------
-----------> Change data via DML commands in the database <------------
-----------> **************************************************** <------------
shutdown immediate
startup mount
flashback database to restore point stable; alter database open resetlogs;

drop restore point stable;
select flashback_on from v$database;
alter database flashback on ;
select flashback_on from v$database;
flashback database to restore point teste; alter database open resetlogs;
ALTER SYSTEM SET DB_RECOVERY_FILE_DEST_SIZE = 0; ALTER SYSTEM SET DB_RECOVERY_FILE_DEST = '';

/* ---------- END   ------------------------- */

Regards
Eriovaldo

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Received on Tue Jul 28 2015 - 14:58:23 CEST