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NON-GLOBAL STATISTICS WIPED FOR LOCAL INDEX WHEN STATS GATHERED FOR NEW PARTITION AFTER SPLIT (Doc ID 3001957.1)

Last updated on FEBRUARY 10, 2024

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.4 and later
Information in this document applies to any platform.

Symptoms

Partitioned table PART_TABLE with local indexes like IDX1 and IDX2. Upon splitting the table MAXVALUE partition into two and gathering statistics directly for the
newly created user partition, the local indexes loose their statistics, they appear as if statistics were not gathered for them. This leads to performance degradation
as queries change plans due to indexes loosing their statistics.

Changes

 MAXVALUE table partition was split and statistics gathered for the newly specified user partition only.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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