Primary Note: Troubleshooting Database Transaction Recovery (Doc ID 1494886.1)

Last updated on NOVEMBER 21, 2022

Applies to:

Oracle Database - Enterprise Edition - Version 9.2.0.8 and later
Information in this document applies to any platform.

Purpose

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To discuss the concepts, modes and detection of Database Transaction recovery.

Scope

Details

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In this Document

12c Multitnenant Database:

Modes of Transaction Recovery

Parallel Transaction Recovery

Serial Transaction Recovery

Detection of Transaction Recovery

Identify Dead Transactions and their Sizes

Identify undo segments containing dead transactions

Identify the Time for transaction recovery to complete

Query to identify the number of parallel Recovery Secondaries

Identify Objects involved in Transaction Recovery

Data Dictionary Tables

Dump the UNDO block

Disable Transaction Recovery

Information to collect for Oracle Support

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