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Differences Between Rowid & Primary Key Materialized Views (Doc ID 254593.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 7.3.4.0 and later
Information in this document applies to any platform.

Purpose

The purpose of this article is to explain the differences between rowid and primary key materialized views and materialized view logs. This article also discusses when to use rowid or primary key materialized views/logs in a distributed environment or a data warehouse environment.

This note does not cover different types of materialized views in a datawarehouse environment, please refer to Oracle9i Data Warehousing Guide Release 2.

The terms snapshot and materialized view are synonymous. This article will use the term "materialized view".

Additional notes are referenced in this article that address specific issues or provide additional information.

Scope

 To be used by anyone interested in understanding the differences between rowid and primary key materialized views in distributed and datawarehousing environments.

Details

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In this Document
Purpose
Scope
Details
 CONTENTS
 1- Introduction
 2- Materialized View Log
 2-1 Description
 2-2 Using rowid materialized view log in distributed environment
 2-3 Using rowid materialized view log in summary management
 2-4 Using Primary key materialized view log
 2-5 Using Primary key and rowid materialized view log
 3- Materialized Views
 3-1 Types of Materialized Views
 3-2 Materialized views in a distributed environment
 3-3 Primary key materialized view in distributed environment
  3-4 Rowid materialized view in distributed environment
 4. Converting a rowid materialized view to primary key materialized view
 4-1 Converting a rowid materialized view to primary key materialized view
 4-2. Avoiding complete refresh on Oracle8i rowid to primary key conversion
 4-3 Avoiding complete refresh on Oracle7 rowid to Oracle8i primary key conversion
References

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