Database - Oriented Data Modeling
Database - Oriented Data Modeling
11. The term Incomplete for a UML has the same meaning as which of the following for an EER diagram?
- Overlapping rule
- Disjoint rule
- Total specialization rule
- Partial specialization rule
12. A constructor operation does which of the following?
- Creates a new instance of a class
- Updates an existing instance of a class
- Deletes and existing instance of a class
- All of the above.
13. Which of the following is a technique for hiding the internal implementation details of an object?
- Encapsulation
- Polymorphism
- Inheritance
- All of the above.
14. Aggregation is which of the following?
- Expresses a part-of relationship and is a stronger form of an association relationship.
- Expresses a part-of relationship and is a weaker form of an association relationship
- Expresses an is-a relationship and is a stronger form of an association relationship.
- Expresses an is-a relationship and is a weaker form of an association relationship.