My Oracle Support Banner

* TROUBLESHOOTING: Advanced Query Tuning (Doc ID 163563.1)

Last updated on SEPTEMBER 21, 2023

Applies to:

Oracle Database - Personal Edition
Oracle Database - Standard Edition
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Information in this document applies to any platform.


The purpose of this article is to assist with the handling of query tuning issues. This article provides guidelines for dealing with tuning problems. It assumes that there really is a query tuning problem as opposed to some other issue that makes queries perform in a sub-optimal way. There are already plenty of articles on this topic. These will be referenced from this article where appropriate rather than trying to duplicate existing material. Obviously an article such as this cannot cover all possibilities but rather attempts to indicate what to look for.

Troubleshooting Steps

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

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

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