How to fix the Oracle error QSM-02027: group by ROLLUP?

In this post, you’ll learn more about the Oracle ErrorQSM-02027: group by ROLLUP with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

QSM-02027: group by ROLLUP

Reason for the Error QSM-02027: group by ROLLUP

The capability in question is not supported when the materialized view uses the ROLLUP operator in the GROUP BY clause.

How to fix the Error QSM-02027: group by ROLLUP ?

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

Re-phrase the query to avoid use of the ROLLUP operator.

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