Running AWR on Cloned Database Fails with Errors: ORA-20011: Approximate NDV failed: ORA-12751: cpu time or run time policy violation
(Doc ID 1912230.1)
Last updated on FEBRUARY 14, 2019
Applies to:Oracle Database - Enterprise Edition - Version 18.104.22.168 to 22.214.171.124 [Release 11.2 to 12.1]
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.
- AWR snapshots are not getting generated
- The database was either copied or cloned from another database
- M0xx trace file shows:
Database was duplicated from RMAN or database is cloned from another database.
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