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How To Check the Usage of Active Undo Segments in AUM (Doc ID 1337335.1)

Last updated on FEBRUARY 02, 2022

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 10.1 to 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.


Sometimes, there are situations where the UNDO Tablespace starts growing unexpectedly.

So, how do you find out why?

Please note that the following queries only apply to Automatic Undo Management (AUM) where UNDO_MANAGEMENT is set to AUTO.


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