How to fix the Oracle error ORA-08112: a composite partition may not be coalesced as a whole?

In this post, you’ll learn more about the Oracle ErrorORA-08112: a composite partition may not be coalesced as a whole with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-08112: a composite partition may not be coalesced as a whole

Reason for the Error ORA-08112: a composite partition may not be coalesced as a whole

User attempted to coalesce a composite partition

How to fix the Error ORA-08112: a composite partition may not be coalesced as a whole ?

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

Coalesce the index a subpartition at a time (using ALTER INDEX MODIFY SUBPARTITION COALESCE)