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Concurrent SQL Statements Run Slower in 12c When Compared to 11g (Doc ID 2097729.1)

Last updated on DECEMBER 05, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 to 12.1.0.2 [Release 12.1]
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 Backup Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

Changes

Database upgrade from 11g to 12c using the default 12c database configuration settings for optimizer related parameters.

 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References

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