Materialized view groups allow you to collect together materialized views (views with the Type property set to Materialized view) that should be refreshed together. PowerDesigner models materialized view groups as extended objects with a stereotype of <<MVGroup>>.
You can create a materialized view group in any of the following ways:
You can modify an object's properties from its property sheet. To open a materialized view group property sheet, double-click its diagram symbol or its Browser entry in the Materialized View Groups folder.
The following extended attributes are available on the Neoview tab: