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Long Running Query has SEMI-JOIN with multi-column key (Doc ID 2944953.1)

Last updated on JUNE 18, 2023

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
Information in this document applies to any platform.

Symptoms

Long running query that usually takes 2-5min to complete, but now it takes days and not giving any results.

Multi-column semi join/ full outer join cardinality was wrong.

Changes

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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