How to fix the Oracle error ORA-30483: window functions are not allowed here?

In this post, you’ll learn more about the Oracle ErrorORA-30483: window functions are not allowed here with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30483: window functions are not allowed here

Reason for the Error ORA-30483: window functions are not allowed here

Window functions are allowed only in the SELECT list of a query. And, window function cannot be an argument to another window or group function.

How to fix the Error ORA-30483: window functions are not allowed here ?

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

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