How to fix the Oracle error ORA-14283: UNIQUE constraints mismatch in ALTER TABLE EXCHANGE SUBPARTITION?

In this post, you’ll learn more about the Oracle ErrorORA-14283: UNIQUE constraints mismatch in ALTER TABLE EXCHANGE SUBPARTITION with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-14283: UNIQUE constraints mismatch in ALTER TABLE EXCHANGE SUBPARTITION

Reason for the Error ORA-14283: UNIQUE constraints mismatch in ALTER TABLE EXCHANGE SUBPARTITION

One of the tables named in the ALTER TABLE EXCHANGE SUBPARTITION command has a UNIQUE constraint for which no matching (vis-a-vis key columns) constraint is defined on the other table or a matching constraint is defined on the other table, but it differs from that defined on the first table vis-a-vis being enabled and/or validated.

How to fix the Error ORA-14283: UNIQUE constraints mismatch in ALTER TABLE EXCHANGE SUBPARTITION ?

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

Ensure that for every UNIQUE constraint defined on one of the tables named in the ALTER TABLE EXCHANGE SUBPARTITION statement there is a matching (vis-a-vis key columns and being enabled and/or validated) UNIQUE constraint defined on the other table. If UNIQUE constrains are enabled, UNIQUE constraints on the partitioned table should be enforced using local indexes.