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Category : Backup and Recovery

Online backups on NAS - A Quick way to do an online backup of the database on NAS disks.

New RMAN Feature - An additional recovery option available in 9i through RMAN.

Corrupt Blocks - Handling corrupt table and index blocks.

Database Refresh - Making a copy of a database on a different machine.

Recovery with added datafile - How to recover a database having added a datafile since the last backup.

Recover Table - Recovering a dropped table from a full database backup.

SCN and Distributed transactions - A little note on how SCNs are maintained by oracle during distributed transactions.

Redo Allocation Latch - A caveat to tuning redo allocation latch in 9i that you need to be aware of.

Control file 101 - A few details about the database control files.

A Few Basic Recovery Scenarios:

The first 3 scenarios listed below are recovery procedures using complete database recovery while scenario 4 is using incomplete database recovery.

Scenario 1 - Recovery Of SYSTEM or ROLLBACK tablespace datafiles.

Scenario 2 - Recovery for lost or corrupted non-system or non-rollback datafiles.

Scenario 3 - Recovery when an inactive redo log file is lost or corrupted.

Scenario 4 - Recovery when current and active redo log file is lost or corrupted.