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Datapump Export of LOB Failed With ORA-01555 ORA-31693 Error With Parallel (Doc ID 2369795.1)

Last updated on DECEMBER 11, 2022

Applies to:

Oracle Database - Enterprise Edition - Version and later
Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.


Getting snapshot too old error when trying export a clob, even though the undo retention has been set to a value greater than the length of the export job for LOB segment and undo_retention and there is no LOB corruption.



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