How to fix the Oracle error QSM-02019: mv references another mv in FROM clause?

In this post, you’ll learn more about the Oracle ErrorQSM-02019: mv references another mv in FROM clause with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

QSM-02019: mv references another mv in FROM clause

Reason for the Error QSM-02019: mv references another mv in FROM clause

The capability in question is not supported when the materialized view is nested (i.e., when it references another materialized view in its FROM list).

How to fix the Error QSM-02019: mv references another mv in FROM clause ?

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

Re-phrase the query to avoid reference to the other materialized view.