LOB Storage Increases excessively after Changing the database character set from WE8ISO8859P1 to AL32UTF8
(Doc ID 1677489.1)
Last updated on FEBRUARY 26, 2019
Applies to:
Oracle Database - Enterprise Edition - Version 11.2.0.1 to 11.2.0.4 [Release 11.2]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
While migrating the database from one platform to another, which also included changing the character set of the database from WE8ISO8859P1 to AL32UTF8 , it was noticed that the LOB storage for a set of tables has increased by 60 times.
The migration is done using export/import datapump.
Changes
Changed the character set of the database from WE8ISO8859P1 to AL32UTF8.
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |