ORA-26027: DBA_HIST_ACTIVE_SESS_HISTORY is Blank for Certain Snapshots Due to Unusable Indexes
(Doc ID 2989250.1)
Last updated on JULY 20, 2024
Applies to:
Oracle Database - Enterprise Edition - Version 19.20.0.0.0 and laterOracle Database Cloud Exadata Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Information in this document applies to any platform.
Symptoms
AWR snapshots are getting generated but there is no data for latest snapshots in the DBA_HIST_ACTIVE_SESS_HISTORY.
For example:
Note - Index name could be different in other Databases.
Changes
Cause
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In this Document
Symptoms |
Changes |
Cause |
Solution |
References |