My Oracle Support Banner

Orphaned Lobs after marking LOB column unused (Doc ID 461651.1)

Last updated on NOVEMBER 12, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 9.2.0.1 to 11.1.0.6 [Release 9.2 to 11.1]
Oracle Database - Enterprise Edition - Version 12.2.0.1 to 12.2.0.1 [Release 12.2]
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
Information in this document applies to any platform.
***Checked for relevance on 22-Sep-2016***
This problem can occur on any platform.

Symptoms

There are LOB segments listed in DBA_SEGMENTS and DBA_OBJECTS but not in DBA_LOBS and they occupy space in the database:

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!


In this Document
Symptoms
Cause
Solution


My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.