To create a new view please do the following:
1. Click on the Create View (
) icon on the Main tab of the Ribbon. Your mouse cursor will change its appearance. Click on the diagram area to create a new view. Or right click on the empty space of diagram and choose Create Object | View. A rectangle with the view name will appear on the diagram:
2. (optional) Double click on the new view symbol in the diagram to call the View Editor. You can set the name of the view and define its SQL query.
See also:
Diagram Objects: Views | View Editor