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

Last updated on JULY 20, 2024

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

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In this Document
Symptoms
Changes
Cause
Solution
References


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