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Data Guard Gap Detection and Resolution Possibilities (Doc ID 1537316.1)

Last updated on APRIL 03, 2020

Applies to:

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

Purpose

 This Document show the various Possibilities to detect and resolve a Redo Gap on a Standby Database.

 

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In this Document
Purpose
Details
 What is an Archive Gap ??
 Methods of Gap Resolution
 Automatic Gap Resolution
 FAL (Fetch Archive Log) Gap Resolution
 Manual Gap Resolution
 Roll forward using Incremental Backup (Physical Standby only)

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