How to fix the Oracle error QSM-02022: aggregate selections?

In this post, you’ll learn more about the Oracle ErrorQSM-02022: aggregate selections with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

QSM-02022: aggregate selections

Reason for the Error QSM-02022: aggregate selections

The capability in question is not supported when the materialized view uses an aggregate expression in the HAVING clause.

How to fix the Error QSM-02022: aggregate selections ?

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

Re-phrase the query to avoid the use of an aggregate in the HAVING clause.