How to fix the Oracle error QSM-01215: query rewrite not possible when query GROUP BY clause has non-columns?

In this post, you’ll learn more about the Oracle ErrorQSM-01215: query rewrite not possible when query GROUP BY clause has non-columns with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

QSM-01215: query rewrite not possible when query GROUP BY clause has non-columns

Reason for the Error QSM-01215: query rewrite not possible when query GROUP BY clause has non-columns

No query rewrite, if there is no valid column in the GROUP BY clause.

How to fix the Error QSM-01215: query rewrite not possible when query GROUP BY clause has non-columns ?

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

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