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LOB Segment does not release space in an MVIEW after upgrade to 12c (Doc ID 2107167.1)

Last updated on OCTOBER 16, 2019

Applies to:

Oracle Database - Enterprise Edition - Version 12.1.0.2 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud 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.

Symptoms

Materialized view which contains a LOB column that gets a complete refresh every night seems to have LOB storage growing at an alarming rate. It appears as if each attempt at refreshing the MV, the lob takes more storage and does not relinquish any.

Changes

 Upgraded to 12c

Cause

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In this Document
Symptoms
Changes
Cause
Solution


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