How to fix the Oracle error QSM-01060: illegal subquery in the HAVING clause?

In this post, you’ll learn more about the Oracle ErrorQSM-01060: illegal subquery in the HAVING clause with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

QSM-01060: illegal subquery in the HAVING clause

Reason for the Error QSM-01060: illegal subquery in the HAVING clause

When a HAVING clause has a subquery, then any references to the tables in the outer query should only reference the tables in the GROUP BY clause.

How to fix the Error QSM-01060: illegal subquery in the HAVING clause ?

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

Correct error in the syntax and rerun the query.