Orphaned Lobs after marking LOB column unused
(Doc ID 461651.1)
Last updated on NOVEMBER 12, 2019
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 to 126.96.36.199 [Release 9.2 to 11.1]
Oracle Database - Enterprise Edition - Version 188.8.131.52 to 184.108.40.206 [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.
There are LOB segments listed in DBA_SEGMENTS and DBA_OBJECTS but not in DBA_LOBS and they occupy space in the database:
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In this Document