How to Recover from errors ORA-01171 ORA-01122 ORA-01251 ORA-01186
(Doc ID 333620.1)
Last updated on APRIL 22, 2020
Applies to:Oracle Database - Enterprise Edition - Version 184.108.40.206 and later
Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
Corruption reported while reading datafile header.
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In this Document
|Option 1: Restore the Datafile from Backup|
|Option 2: Backup of Datafile is not available but all archived logs from creation date of the datafile are available.|
|Option 3: Backup of Datafile and archived logs are not available|