How to fix the Oracle error QSM-02030: reduced precision specified for prebuilt mv?

In this post, you’ll learn more about the Oracle ErrorQSM-02030: reduced precision specified for prebuilt mv with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

QSM-02030: reduced precision specified for prebuilt mv

Reason for the Error QSM-02030: reduced precision specified for prebuilt mv

The capability in question is not supported when the materialized view is created with the WITH REDUCED PRECISION clause.

How to fix the Error QSM-02030: reduced precision specified for prebuilt mv ?

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

DROP the materialized view and re-create it without using the WITH REDUCED PRECISION clause.