How to fix the Oracle error ORA-22897: no scope clause specified for user-defined REF column “string”?

In this post, you’ll learn more about the Oracle ErrorORA-22897: no scope clause specified for user-defined REF column “string” with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-22897: no scope clause specified for user-defined REF column “string”

Reason for the Error ORA-22897: no scope clause specified for user-defined REF column “string”

User-defined REF column does not have a scope constraint.

How to fix the Error ORA-22897: no scope clause specified for user-defined REF column “string” ?

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

Specify a scope constraint for the user-defined REF column and retry the operation.