My Oracle Support Banner

Poor SQL Performance On Oracle 19c Involving Unnesting (Doc ID 2867074.1)

Last updated on MAY 03, 2022

Applies to:

Oracle Database - Enterprise Edition - Version 19.10.0.0.0 and later
Information in this document applies to any platform.

Symptoms

After upgrade from 11.2.0.4 to 19.10, SQL performance degraded unless compatibility is set to 11.2.0.4.

Changes

 Upgraded database from 11.2.0.4 to 19.10.

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Changes
Cause
Solution
References


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.