My Oracle Support Banner

Bad Execution Plan After Upgrade to 12c And Above - Full Table Scans Within Scalar Subqueries (Doc ID 2928140.1)

Last updated on JULY 22, 2024

Applies to:

Oracle Database - Enterprise Edition - Version 12.2.0.1 and later
Information in this document applies to any platform.

Symptoms

This issue starts on 12.2.0 and above, the poor execution includes similar to below:

No CONCATENATION is used

 

Changes

 Upgrade to 12.2 and above

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.