1. CSEN 5314 Quiz 2

2. 1. Inheritance is which of the following? A. When a supertype entity inherits values of the subtype attribute B. When a subtype entity inherits values of the supertype attribute C. When a supertype entity inherits values of another supertype attribute D. When a subtype entity inherits values of another subtype attribute 2. An oval represents which of the following in an EER? A. AttributeC. Optional One B. EntityD. Relationship 3. The maximum number of relationship instances that an entity can participate in is called: A. Cardinality ratioC. (max, min) ratio B. Participation constraintD. Total/Partial participation True/False? 4. In UML, weak entities can be modeled using the construct called qualified association. 5. A weak entity type always has a total participation constraint to another entity type.

3. 1. Inheritance is which of the following? A. When a supertype entity inherits values of the subtype attribute B. When a subtype entity inherits values of the supertype attribute C. When a supertype entity inherits values of another supertype attribute D. When a subtype entity inherits values of another subtype attribute 2. An oval represents which of the following in an EER? A. AttributeC. Optional One B. EntityD. Relationship 3. The maximum number of relationship instances that an entity can participate in is called: A. Cardinality ratioC. (max, min) ratio B. Participation constraintD. Total/Partial participation True/False? 4. In UML, weak entities can be modeled using the construct called qualified association. T 5. A weak entity type always has a total participation constraint to another entity type. T