How to fix the Oracle error ORA-14290: PRIMARY KEY constraint mismatch in ALTER TABLE EXCHANGE [SUB]PARTITION?

In this post, you’ll learn more about the Oracle ErrorORA-14290: PRIMARY KEY constraint 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-14290: PRIMARY KEY constraint mismatch in ALTER TABLE EXCHANGE [SUB]PARTITION

Reason for the Error ORA-14290: PRIMARY KEY constraint mismatch in ALTER TABLE EXCHANGE [SUB]PARTITION

The corresponding columns in the tables specified in the ALTER TABLE EXCHANGE [SUB]PARTITION statement have different PRIMARY KEY constraints.

How to fix the Error ORA-14290: PRIMARY KEY constraint mismatch in ALTER TABLE EXCHANGE [SUB]PARTITION ?

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

Ensure that the two tables do not have PRIMARY KEY constraints defined on any column or disable all PRIMARY KEY constraints on both tables. Then retry the operation.