My Oracle Support Banner

How to Monitor the Progress of a Materialized View Refresh (MVIEW) (Doc ID 258021.1)

Last updated on FEBRUARY 02, 2022

Applies to:

Oracle Database Cloud Service - Version N/A and later
Oracle Database - Enterprise Edition - Version to [Release 8.1.7 to 12.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Information in this document applies to any platform.


The purpose of this article is to provide the steps to diagnose the refresh. It
addresses the following questions:

Is a refresh currently running?
Is the refresh hanging or moving slowly?
When did the next and last refresh occur?
What is the ongoing phase of the refresh?
Which materialized view in a group is being refreshed?


This article aims at assisting support analysts and customers to diagnose and
monitor the progress of a materialized view refresh. The terms materialized
view and snapshot are synonymous. The term MVIEW will be used to refer to
materialized view throughout this article.


To view full details, 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 a vibrant support community of peers and Oracle experts.