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Guidelines for Tuning: Query under Rule is fast Query under Cost is Slow (Doc ID 247743.1)

Last updated on JUNE 15, 2021

Applies to:

Oracle Database - Enterprise Edition - Version 6.0.0.0 and later
Oracle Database - Personal Edition - Version 7.1.4.0 and later
Oracle Database - Standard Edition - Version 7.0.16.0 and later
Information in this document applies to any platform.

Purpose

This article outlines different methods that can be used for handling issues where a query running under the Rule Based Optimizer is quicker than under the Cost Based Optimizer.

Scope

Various

Details

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