How to fix the Oracle error XOQ-01903: The unique key attribute has no corresponding base attribute.?

In this post, you’ll learn more about the Oracle ErrorXOQ-01903: The unique key attribute has no corresponding base attribute. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

XOQ-01903: The unique key attribute has no corresponding base attribute.

Reason for the Error XOQ-01903: The unique key attribute has no corresponding base attribute.

Cause: A dimension level whose primary dimension had an associated materialized view contained a unique key attribute that did not have an associated base attribute.

How to fix the Error XOQ-01903: The unique key attribute has no corresponding base attribute. ?

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

Action: Create a base attribute that corresponds to the unique key attribute.