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.
In this chapter:
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.