How to fix the Oracle error QSM-02204: PCT FAST REFRESH is not possible if query has an inner query?

In this post, you’ll learn more about the Oracle ErrorQSM-02204: PCT FAST REFRESH is not possible if query has an inner query with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

QSM-02204: PCT FAST REFRESH is not possible if query has an inner query

Reason for the Error QSM-02204: PCT FAST REFRESH is not possible if query has an inner query

The capability in question was not supported because the materialized view query contained an inner query.

How to fix the Error QSM-02204: PCT FAST REFRESH is not possible if query has an inner query ?

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

Rephrase the query to avoid the use of the inner query.