How to fix the Oracle error QSM-02042: view or subquery in from list?

In this post, you’ll learn more about the Oracle ErrorQSM-02042: view or subquery in from list with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

QSM-02042: view or subquery in from list

Reason for the Error QSM-02042: view or subquery in from list

The capability in question is not supported when the materialized view references a view or subquery in the FROM list.

How to fix the Error QSM-02042: view or subquery in from list ?

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

Re-phrase the query to avoid the use of views or subqueries in in the FROM list.