Slide 3.1: OO properties: language features Slide 3.2: Ad hoc queries Slide 3.3: Object-oriented database system properties Slide 3.4: A DBMS classification matrix Slide 3.5: Quadrant 2: simple data with queries Slide 3.6: Quadrant 3: complex data without queries Slide 3.7: Quadrant 3: complex data without queries (cont.)