DBA_TABLESPACE_USAGE_METRICS and expired undo extents (Doc ID 1615851.1)

Last updated on DECEMBER 06, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 and later
Information in this document applies to any platform.
***Checked for relevance on 12-Jun-2016***

Symptoms

 The following query is used by OEM to get the database tablespaces usage metrics , including the UNDO tablespace


The question is:

Does the mb_free column for UNDO tablespace counts the expired undo extents ?

Changes

None

Cause

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