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ORA-43856 When Trying To Set RETENTION of BasicFiles Lob (Doc ID 2332901.1)

Last updated on NOVEMBER 04, 2020

Applies to:

Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

When trying to change RETENTION of a LOB (BasicFiles), ORA-43856 error is returned.

   

Changes

The customer has been using Automated Undo Management (AUM) and BasicFiles Lob. and they found that RETENTION attribute of the lob segment is set to the same value as undo_retention instance parameter (10,800 in case of the customer) and the value on the lob segment looks unnecessarily (high)long for them. 

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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