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Materialized View Sub-Query Enhancements (Doc ID 149112.1)

Last updated on SEPTEMBER 30, 2019

Applies to:

Oracle Database Cloud Service - Version N/A and later
Oracle Database - Enterprise Edition - Version 9.2.0.1 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Information in this document applies to any platform.

Purpose

This article is intended to introduce enhancements in Oracle9i and above, which broaden
fast refresh capabilities with sub-queries in materialized views.

Scope

This article assumes the reader has an understanding of materialized views/
snapshots introduced in previous versions.  The enhancements discussed in this
document are intended to lessen the restrictions on performing a fast refresh
in Oracle9i and above.

Details

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