How to fix the Oracle error ORA-12854: Parallel query is not supported on temporary LOBs?

In this post, you’ll learn more about the Oracle ErrorORA-12854: Parallel query is not supported on temporary LOBs with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12854: Parallel query is not supported on temporary LOBs

Reason for the Error ORA-12854: Parallel query is not supported on temporary LOBs

The parallel query statement produced a temporary LOB.

How to fix the Error ORA-12854: Parallel query is not supported on temporary LOBs ?

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

Turn off parallelism for the query or underlying table