How to fix the Oracle error ORA-14278: column type or size mismatch in EXCHANGE SUBPARTITION?

In this post, you’ll learn more about the Oracle ErrorORA-14278: column type or size mismatch in EXCHANGE SUBPARTITION with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-14278: column type or size mismatch in EXCHANGE SUBPARTITION

Reason for the Error ORA-14278: column type or size mismatch in EXCHANGE SUBPARTITION

The corresponding columns in the tables specified in the ALTER TABLE EXCHANGE SUBPARTITION are of different type or size

How to fix the Error ORA-14278: column type or size mismatch in EXCHANGE SUBPARTITION ?

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

Ensure that the two tables have the same number of columns with the same type and size.