WRM$_SNAPSHOT_DETAILS Table is Not Purged
Last updated on SEPTEMBER 19, 2016
Applies to:Oracle Database - Enterprise Edition - Version 184.108.40.206 to 220.127.116.11 [Release 11.2 to 12.1]
Information in this document applies to any platform.
The following symptoms are observed:
- AWR purge code is not automatically purging WRM$_SNAPSHOT_DETAILS, as expected
- Even after dropping a range of snap id's using dbms_workload_repository.drop_snapshot_range(), the table is not purged.
- Table WRM$_SNAPSHOT_DETAILS grows indefinitely.
- There are many orphaned entries in the table WRM$_SNAPSHOT_DETAILS.
The number of orphaned rows for the table WRM$_SNAPSHOT_DETAILS can be found by running the following sql:
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