EXPDP - How to Solve "ORA-01466: unable to read data - table definition has changed"
(Doc ID 1902481.1)
Last updated on JULY 28, 2020
Applies to:Oracle Database - Enterprise Edition - Version 188.8.131.52 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata 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.
Export using EXPDP like below is failing for a table with following error.
EXPDP syntax :
The value of SCN supplied to parameter flashback_scn does not correspond to the time of LAST_DDL_TIME from DBA_OBJECTS for the specific table.
A table's DDL may have changed due to a truncate job and LAST_DDL_TIME can end up ahead of the flashback_scn time supplied in the parameter.
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