How to fix the Oracle error ORA-22971: invalid datatype for PRIMARY KEY-based object identifier?

In this post, you’ll learn more about the Oracle ErrorORA-22971: invalid datatype for PRIMARY KEY-based object identifier with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-22971: invalid datatype for PRIMARY KEY-based object identifier

Reason for the Error ORA-22971: invalid datatype for PRIMARY KEY-based object identifier

When creating an object view, the datatype of an expression in the WITH OBJECT OID clause is not allowed for PRIMARY KEY-based OID.

How to fix the Error ORA-22971: invalid datatype for PRIMARY KEY-based object identifier ?

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

Replace the expression with one of appropriate scalar datatype.