How to fix the Oracle error QSM-01213: query rewrite not possible when nested aggregates or CONNECT BY clause or START WITH clause or recursive WITH clause is present?

In this post, you’ll learn more about the Oracle ErrorQSM-01213: query rewrite not possible when nested aggregates or CONNECT BY clause or START WITH clause or recursive WITH clause is present with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

QSM-01213: query rewrite not possible when nested aggregates or CONNECT BY clause or START WITH clause or recursive WITH clause is present

Reason for the Error QSM-01213: query rewrite not possible when nested aggregates or CONNECT BY clause or START WITH clause or recursive WITH clause is present

If the query contains nested aggregates, CONNECT BY clause, or START WITH clause, or recursive with clause, query rewrite will not take place

How to fix the Error QSM-01213: query rewrite not possible when nested aggregates or CONNECT BY clause or START WITH clause or recursive WITH clause is present ?

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

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