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Manipulating the access path of queries involving subqueries (Oracle 8i) (Doc ID 144967.1)

Last updated on MAY 20, 2024

Applies to:

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

Purpose

This article illustrates some methods that can be used to change the access
path of queries that use EXISTS and NOT IN by:

o using PUSH_SUBQ
o disabling anti or semi joins.

Troubleshooting Steps

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