How to fix the Oracle error ORA-14642: Bitmap index mismatch for tables in ALTER TABLE EXCHANGE PARTITION?

In this post, you’ll learn more about the Oracle ErrorORA-14642: Bitmap index mismatch for tables in ALTER TABLE EXCHANGE PARTITION with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-14642: Bitmap index mismatch for tables in ALTER TABLE EXCHANGE PARTITION

Reason for the Error ORA-14642: Bitmap index mismatch for tables in ALTER TABLE EXCHANGE PARTITION

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.

How to fix the Error ORA-14642: Bitmap index mismatch for tables in ALTER TABLE EXCHANGE PARTITION ?

You can fix this error in Oracle by following the below steps

Perform the exchange with the EXCLUDING INDEXES option or alter the bitmap indexes to be unusable.