Can Unused Indexes Be Determined For Possible Removal?
(Doc ID 1315195.1)
Last updated on JANUARY 30, 2022
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.4 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
You want to know when an index is used.
When enabling index monitoring, it updates the V$OBJECT_USAGE.USED column value to "YES" when the index is (first) used.
However, enabling monitoring does not record any date information which states when the index is actually used.
Is it possible to track indexes that are not used for some period of time to possibly remove them.
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