Relationship Types Sets and Roles Questions and Answers PDF Download eBook

MCQ: In entity-relationship diagrams, the participating entities are represented by

1. oval shaped box
2. rectangular box
3. squared box
4. diamond shaped box

MCQ: The user interface which uses both menus technique and forms is classified as

1. defined user interface
2. host user interface
3. query user interface
4. graphical user interface

MCQ: In Unified Modeling Language, the diagrams which captures the system static structure and provide foundation for other models is called

1. deployment diagrams
2. class diagrams
3. component diagrams
4. object diagrams

MCQ: If the referential integrity constraint is violated then the specific action clause attached by the database designers other than by default action is classified as

1. referential triggered action
2. foreign key triggered action
3. primary key triggered action
4. decimal triggered action

MCQ: The type of lattice in which a subclass can be class or subclass in more than one association of subclasses is classified as

1. attribution lattice
2. specialization lattice
3. generalization lattice
4. disjoint lattice