How to fix the Oracle error ORA-30367: a JOIN KEY clause is required?

In this post, you’ll learn more about the Oracle ErrorORA-30367: a JOIN KEY clause is required with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30367: a JOIN KEY clause is required

Reason for the Error ORA-30367: a JOIN KEY clause is required

A JOIN KEY clause was omitted in a dimension statement. A JOIN KEY clause is required when the child level and the parent level are not in the same relation.

How to fix the Error ORA-30367: a JOIN KEY clause is required ?

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

Specify a JOIN KEY clause to indicate how the relation of the child level joins to the relation of the parent level.