When DML changes are made to master table data, Oracle Database stores rows describing those changes in the materialized view log and then uses the materialized view log to refresh materialized views based on the master table.
Materialized view logs are supported for Oracle 11g and higher. PowerDesigner models materialized view logs as extended objects with a stereotype of <<Materialized view log>>.
You can modify an object's properties from its property sheet. To open a materialized view log property sheet, double-click its Browser entry or click the Properties button on its parent table Oracle tab.
The General tab displays the master table name and the comment. The following properties are available on the Partitions tab: