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LIKE Operator Performance Slower After Upgrading To 12.1.0.2 (Doc ID 2323246.1)

Last updated on FEBRUARY 22, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
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 Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

Performance degradation observed when using linguistic sort  and using like operation after upgrading database from 11g to 12c.

And callstack lxpLinMatch is seen at bad time.

 

Changes

Upgrade database from 11g to 12c

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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