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Mitigation for Logical Block Corruptions (Transaction Quarantine - Oracle Database version 23ai and higher) (Doc ID 3010078.1)

Last updated on MAY 21, 2024

Applies to:

Oracle Database - Enterprise Edition - Version 21.1 and later
Information in this document applies to any platform.


This Primary Note is intended to provide references to handle the most frequent errors related to logical block corruptions that might cause a transaction to be quarantined.


This note is for general audience to serve as a guide to help fix logical block corruption errors that lead to a transaction being put on quarantine.


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In this Document
 1- Introduction to the Transaction Quarantine feature
 1.1- Introduction to Logical Block Corruptions
 2- Overview of the resolution strategies for Logical Block Corruptions seen as part of a Transaction Quarantine
 2.1- Solutions based on truncating or dropping the impacted object
 2.1.1- Indexes
 2.1.2- Tables
 2.2- Solutions based on repairing the block
 3- Final Steps

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