How to fix the Oracle error ORA-14256: invalid resulting partition description(s)?

In this post, you’ll learn more about the Oracle ErrorORA-14256: invalid resulting partition description(s) with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-14256: invalid resulting partition description(s)

Reason for the Error ORA-14256: invalid resulting partition description(s)

User specified STORE-IN clause, SUBPARTITIONS clause, and/or clause in partition description(s) in ALTER TABLE SPLIT PARTITION or ALTER TABLE MERGE PARTITIONS statement but the table in the maintenance operation is not a Composite Range partitioned table which is illegal

How to fix the Error ORA-14256: invalid resulting partition description(s) ?

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

Remove invalid clause(s), or ensure that the table is partitioned by Composite Range method