How to fix the Oracle error ORA-14297: Index block size mismatch in ALTER TABLE EXCHANGE [SUB]PARTITION?

In this post, you’ll learn more about the Oracle ErrorORA-14297: Index block size mismatch in ALTER TABLE EXCHANGE [SUB]PARTITION with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-14297: Index block size mismatch in ALTER TABLE EXCHANGE [SUB]PARTITION

Reason for the Error ORA-14297: Index block size mismatch in ALTER TABLE EXCHANGE [SUB]PARTITION

The block sizes of a pair of indexes being exchanged in the ALTER TABLE EXCHANGE [SUB]PARTITION statement are different.

How to fix the Error ORA-14297: Index block size mismatch in ALTER TABLE EXCHANGE [SUB]PARTITION ?

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

Ensure that the block sizes of the corresponding pairs of indexes that need to be exchanged in the ALTER TABLE EXCHANGE [SUB]PARTITION statement are the same.