How to fix the Oracle error ORA-41690: maximum number of grouping expressions for a rule class exceeded?

In this post, you’ll learn more about the Oracle ErrorORA-41690: maximum number of grouping expressions for a rule class exceeded with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-41690: maximum number of grouping expressions for a rule class exceeded

Reason for the Error ORA-41690: maximum number of grouping expressions for a rule class exceeded

An attempt was made to specify more than 32 expressions for the “groupby” clause in rule class properties.

How to fix the Error ORA-41690: maximum number of grouping expressions for a rule class exceeded ?

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

Use fewer than 32 expressions for the “groupby” clause.