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ORA-14642:

Bitmap index mismatch for tables in ALTER TABLE EXCHANGE PARTITION
Cause: The two tables in the EXCHANGE have usable bitmap indexes, and the INCLUDING INDEXES option has been specified and the tables have different hakan factors.
Action: Perform the exchange with the EXCLUDING INDEXES option or alter the bitmap indexes to be unusable.
 SubjectReplies
1.ORA - 14642 : partition exchange error6