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What is Join Elimination? (Doc ID 858120.1)

Last updated on FEBRUARY 20, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 and later
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.

Purpose

This note outlines the effects of optimizer join elimination

Scope

DBA and Support Analyst

Details

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In this Document
Purpose
Scope
Details
 What is Join Elimination ?
 Example of Join Elimination
 What Parameter Controls Join Elimination?
References

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