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Workaround for ORA-22992 (Doc ID 796282.1)

Last updated on NOVEMBER 06, 2019

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 9.2 to 12.1]
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 Cloud Schema Service - Version N/A and later
Information in this document applies to any platform.


This article provides a workaround for error ORA-22992 which occurs when selecting LOB data over database links.  This limitation does not longer exists in Oracle 12.2 and above.  In that case, both source and target must be running Oracle or above, if not the query will fail with the following error:

ORA-65510: Distributed LOB operations are not supported on pre-12.2 databases.

In database versions prior to


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