Object Oriented Data Modeling Aggregation is which of the following? Expresses a part-of relationship and is a stronger form of an association relationship. Expresses an is-a 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 weaker form of an association relationship. Expresses a part-of relationship and is a stronger form of an association relationship. Expresses an is-a 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 weaker form of an association relationship. ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling A constructor operation does which of the following? Deletes and existing instance of a class All of these Creates a new instance of a class Updates an existing instance of a class Deletes and existing instance of a class All of these Creates a new instance of a class Updates an existing instance of a class ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling When a business rule involves three or more graphical symbols, you can show the constraint as a note and attach the note to each of the symbols by a dashed line. True False True False ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling The term Incomplete for a UML has the same meaning as which of the following for an EER diagram? Disjoint rule Overlapping rule Partial specialization rule Total specialization rule Disjoint rule Overlapping rule Partial specialization rule Total specialization rule ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling An abstract class is which of the following? A class that has no direct instances, but whose descendants may have direct instances. A class that has direct instances, but whose descendants may have direct instances. A class that has direct instances, but whose descendants may not have direct instances. A class that has no direct instances, but whose descendants may not have direct instances A class that has no direct instances, but whose descendants may have direct instances. A class that has direct instances, but whose descendants may have direct instances. A class that has direct instances, but whose descendants may not have direct instances. A class that has no direct instances, but whose descendants may not have direct instances ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling The reasons for overriding include extension, restriction, and optimization. True False True False ANSWER DOWNLOAD EXAMIANS APP
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