How to fix the Oracle error ORA-36648: (XSDUNION09) Concat dimension workspace object is already defined as UNIQUE.?

In this post, you’ll learn more about the Oracle ErrorORA-36648: (XSDUNION09) Concat dimension workspace object is already defined as UNIQUE. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-36648: (XSDUNION09) Concat dimension workspace object is already defined as UNIQUE.

Reason for the Error ORA-36648: (XSDUNION09) Concat dimension workspace object is already defined as UNIQUE.

Attempt to change a concat dimension to UNIQUE, but it is already UNIQUE.

How to fix the Error ORA-36648: (XSDUNION09) Concat dimension workspace object is already defined as UNIQUE. ?

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

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