How to fix the Oracle error QSM-02189: materialized view definition changes?

In this post, you’ll learn more about the Oracle ErrorQSM-02189: materialized view definition changes with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

QSM-02189: materialized view definition changes

Reason for the Error QSM-02189: materialized view definition changes

The definition of the materialized view has changed. Usually redefining the synonym or table in the definition can cause this. The materialized view can not be fast refreshed.

How to fix the Error QSM-02189: materialized view definition changes ?

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

Complete refresh or recreate the materialized view.