Object Oriented Data Modeling An abstract class is which of the following? A class that has direct instances, but whose descendants may 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 not have direct instances. A class that has direct instances, but whose descendants may 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 not have direct instances. ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling In an object diagram, an object is represented as a rectangle with two compartments. False True False True 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
Object Oriented Data Modeling Each association has two or more roles. True False True False ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling Multiplicity is the same as what concept for an ERD? Cardinality Relationship Attribute Entity Cardinality Relationship Attribute Entity ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling Which of the following applies to a class rather than an object? Update Scope Query Constructor Update Scope Query Constructor ANSWER DOWNLOAD EXAMIANS APP