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Oracle® Database Administrator's Guide
11g Release 1 (11.1)

Part Number B28310-01
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14 Managing Undo

Beginning with Release 11g, for a default installation, Oracle Database automatically manages undo. There is typically no need for DBA intervention. However, if your installation uses Oracle Flashback operations, you may need to perform some undo management tasks to ensure the success of these operations.This section provides background information and instructions for managing undo data. It contains the following topics:

See Also:

Chapter 15, "Using Oracle-Managed Files"for information about creating an undo tablespace whose datafiles are both created and managed by Oracle Database.