How to fix the Oracle error ORA-12028: materialized view type is not supported by master site string?

In this post, you’ll learn more about the Oracle ErrorORA-12028: materialized view type is not supported by master site string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12028: materialized view type is not supported by master site string

Reason for the Error ORA-12028: materialized view type is not supported by master site string

Pre-Oracle8 master sites are not able to support primary key or subquery materialized views that are able to perform a fast refresh.

How to fix the Error ORA-12028: materialized view type is not supported by master site string ?

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

Create a ROWID materialized view or use a master table from an Oracle8 site.