How to fix the Oracle error QSM-01097: Materialized view with grouping sets has too long key?

In this post, you’ll learn more about the Oracle ErrorQSM-01097: Materialized view with grouping sets has too long key with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

QSM-01097: Materialized view with grouping sets has too long key

Reason for the Error QSM-01097: Materialized view with grouping sets has too long key

Materialized view with grouping sets has more that 64 different keys in its GROUP BY. No rewrite is supported then.

How to fix the Error QSM-01097: Materialized view with grouping sets has too long key ?

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

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