Recursive SQL on SUMDEP$ and SUMPARTLOG$ Executes Many Times and May Cause Waits (Doc ID 2272354.1)

Last updated on MAY 31, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
Information in this document applies to any platform.

Symptoms

You see the following SQL listed as a Top SQL by Execution or Top SQL by Row Source in an AWR.  It executes many times and uses mostly CPU.  SUMDEP$ is associated with nested materialized views, and SUMPARTLOG$ is associated with PCT refresh of partitioned base tables.

 

Cause

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