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Overview of the Types of Materialized Views Available (Doc ID 258227.1)

Last updated on AUGUST 30, 2023

Applies to:

Oracle Database Cloud Service - Version N/A and later
Oracle Database - Enterprise Edition - Version to 12.2 BETA1 [Release 7.0 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.


NOTE: In the images and/or the document content below, the user information and data used represents fictitious data from the Oracle sample schema(s) or Public Documentation delivered with an Oracle database product. Any similarity to actual persons, living or dead, is purely coincidental and not intended in any manner.

This article gives a short description of materialized views (MVIEW) including readonly and updatable MVIEWs. The information supplied applies to Oracle releases from 7.x to 11.x.


The terms Materialized View (MVIEW) are synonymous and they will be used interchangeably.

The following terms are used in this article:

Examples are provided with the following assumptions:

  1. Master_db is the master site.
  2. Snap_db is the materialized view site
  3. There is a database link called master_db from SCOTT user of snap_db to the SCOTT schema of master_db

Note that the examples provided below do not supply all the details of the setup.


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