How to fix the Oracle error ORA-12030: cannot create a fast refresh materialized view?

In this post, you’ll learn more about the Oracle ErrorORA-12030: cannot create a fast refresh materialized view with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12030: cannot create a fast refresh materialized view

Reason for the Error ORA-12030: cannot create a fast refresh materialized view

The materialized view log did not exist or did not log the information needed by the materialized view to perform a fast refresh.

How to fix the Error ORA-12030: cannot create a fast refresh materialized view ?

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

Ensure that the materialized view log exists and logs the necessary information.

– For ROWID materialized views, the master table’s ROWID must be logged.

– For primary key materialized views, the master table’s primary key columns must be logged.

– For subquery materialized views, the filter columns, primary key, and ROWID values must be logged.

– For object materialized views, object id must be logged.