How to fix the Oracle error ORA-14637: cannot merge a subpartition with itself?

In this post, you’ll learn more about the Oracle ErrorORA-14637: cannot merge a subpartition with itself with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-14637: cannot merge a subpartition with itself

Reason for the Error ORA-14637: cannot merge a subpartition with itself

The same subpartition name was specified twice for the merge operation

How to fix the Error ORA-14637: cannot merge a subpartition with itself ?

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

Re-submit operation with 2 distinct subpartition names within the same composite partition