Wrong Results Change Depending On Degree of Parallelism (DOP) when DISTINCT Keyword Used on Partitioning Key

(Doc ID 2023671.1)

Last updated on JUNE 23, 2015

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.1 to 12.1.0.2 [Release 12.1]
Information in this document applies to any platform.

Symptoms

Wrong results are produced from a parallel SELECT statement when the DISTINCT keyword is used on the partitioning key of a partitioned table.  Results vary depending upon the degree of parallelism (DOP) chosen.  

Example:

 

Cause

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