How to fix the Oracle error ORA-32643: invalid use of window function in MODEL rule?

In this post, you’ll learn more about the Oracle ErrorORA-32643: invalid use of window function in MODEL rule with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-32643: invalid use of window function in MODEL rule

Reason for the Error ORA-32643: invalid use of window function in MODEL rule

The window functions can not be used in SQL Model rules that have FOR-loops on the left side or aggregates on the right side.

How to fix the Error ORA-32643: invalid use of window function in MODEL rule ?

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

Modify the MODEL rule.