How To Manually Execute the Optimizer Statistics Auto Task in Oracle11g (Doc ID 731935.1)

Last updated on MAY 23, 2017

Applies to:

Oracle Database - Standard Edition - Version 11.1.0.6 to 11.2.0.3 [Release 11.1 to 11.2]
Oracle Database - Enterprise Edition - Version 11.1.0.6 to 11.2.0.3 [Release 11.1 to 11.2]
Oracle Database - Personal Edition - Version 11.1.0.6 to 11.2.0.3 [Release 11.1 to 11.2]
Information in this document applies to any platform.

Goal

It may sometimes be necessary to manually execute the Optimizer Statistics Gathering Auto Task in Oracle11g e.g. when debugging a problem which involves it and does not reproduce with manual statistics gathering.

This article shows how to do this using DBMS_AUTO_TASK_IMMEDIATE
It also shows how to interrupt the Auto Task after it has started so that it executes its cleanup procedure before quitting.

Solution

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 hundreds of Community platforms