How to fix the Oracle error ORA-36646: (XSDUNION08) Only concat dimensions can be redefined as UNIQUE. workspace object is not a concat dimension.?

In this post, you’ll learn more about the Oracle ErrorORA-36646: (XSDUNION08) Only concat dimensions can be redefined as UNIQUE. workspace object is not a concat dimension. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-36646: (XSDUNION08) Only concat dimensions can be redefined as UNIQUE. workspace object is not a concat dimension.

Reason for the Error ORA-36646: (XSDUNION08) Only concat dimensions can be redefined as UNIQUE. workspace object is not a concat dimension.

UNIQUE keyword was used with an invalid object.

How to fix the Error ORA-36646: (XSDUNION08) Only concat dimensions can be redefined as UNIQUE. workspace object is not a concat dimension. ?

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

Retry without the UNIQUE keyword.