Suboptimal Query when Gather Partition Stats on Reference Partitioned Table
(Doc ID 761333.1)
Last updated on FEBRUARY 02, 2022
Applies to:
Oracle Cloud Infrastructure - Database Service - Version N/A and laterOracle Database - Enterprise Edition - Version 11.1.0.6 to 11.1.0.7 [Release 11.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
Collecting stats on a partitioned table takes a long time.
Analyzing 10046 trace output, we can see for each partition there is a select similar to:
TBL$OR$IDX$PART$NUM is the key part to look at.
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |