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How to make use of parallel execution in materialized view operations? (Doc ID 726350.1)

Last updated on SEPTEMBER 14, 2021

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 8.1.5 to 11.1]
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
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.


The aim of this article is to find how make use of parallel execution feature with materialized view creation, access, and refresh (fast/complete) operation.


In the following sections, we will discuss various ways to invoke parallel refresh.
• The PARALLELISM parameter of the DBMS_MVIEW.REFRESH procedure
• PARALLEL attribute of the materialized view
• PARALLEL attribute of the master table(s)
• PARALLEL hint in the query defining the materialized view


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