How to fix the Oracle error ORA-14626: values being added already exist in DEFAULT subpartition?

In this post, you’ll learn more about the Oracle ErrorORA-14626: values being added already exist in DEFAULT subpartition with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-14626: values being added already exist in DEFAULT subpartition

Reason for the Error ORA-14626: values being added already exist in DEFAULT subpartition

An ADD VALUE operation cannot be executed because the values being added exist in the DEFAULT subpartition

How to fix the Error ORA-14626: values being added already exist in DEFAULT subpartition ?

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

Issue a SPLIT of the DEFAULT subpartition and then MERGE the split subpartition into the subpartition to which values need to be added