How to fix the Oracle error QSM-02012: a CONNECT BY clause is present?

In this post, you’ll learn more about the Oracle ErrorQSM-02012: a CONNECT BY clause is present with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

QSM-02012: a CONNECT BY clause is present

Reason for the Error QSM-02012: a CONNECT BY clause is present

The capability in question is not supported when the materialized view uses a CONNECT BY clause.

How to fix the Error QSM-02012: a CONNECT BY clause is present ?

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

Re-phrase the query to avoid use of the CONNECT BY clause.