How to fix the Oracle error ORA-32301: object-relational materialized views must be primary key based?

In this post, you’ll learn more about the Oracle ErrorORA-32301: object-relational materialized views must be primary key based with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-32301: object-relational materialized views must be primary key based

Reason for the Error ORA-32301: object-relational materialized views must be primary key based

An attempt was made to create an object-relational materialized view that is not primary key based.

How to fix the Error ORA-32301: object-relational materialized views must be primary key based ?

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

Create the materialized view with the PRIMARY KEY keyword.