How To Configure Automatic Purge(Drop) Of SQL Plan Baseline(SPM). (Doc ID 1438701.1)

Last updated on NOVEMBER 16, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.3 to 12.1.0.2B1 [Release 11.2 to 12.1]
Information in this document applies to any platform.

Goal

From Oracle 11g Release 1, "SQL Plan Management" (SPM) records and evaluates the execution plans of SQL statements over time to maintain and manage Plan Stability. This mechanism can build a SQL plan baseline, which is a set of accepted plans for a SQL statement.

See:

<Document 1359841.1> Plan Stability Features (Including SPM) Start Point


This article looks at the configuration and retention of plan baseline.

 

Solution

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