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

Last updated on SEPTEMBER 27, 2020

Applies to:

Oracle Database - Enterprise Edition - Version 10.1.0.2 to 11.2.0.2 [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.

Goal

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.

Solution

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In this Document
Goal
Solution
References

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