How to fix the Oracle error ORA-22887: type of REF column is not the same as that of its scoped table?

In this post, you’ll learn more about the Oracle ErrorORA-22887: type of REF column is not the same as that of its scoped table with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-22887: type of REF column is not the same as that of its scoped table

Reason for the Error ORA-22887: type of REF column is not the same as that of its scoped table

The type specified for the REF column and the type specified for the scope table are different.

How to fix the Error ORA-22887: type of REF column is not the same as that of its scoped table ?

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

Ensure that the types of a REF column and its scoped table are the same.