Object Oriented Data Modeling An abstract class is which of the following? 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 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. 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling Aggregation is which of the following? 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 an is-a relationship and is a stronger form of an association relationship. 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 weaker 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 stronger form of an association relationship. ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling The term Complete for a UML has the same meaning as which of the following for an EER diagram? Overlapping rule Partial specialization rule Total specialization rule Disjoint rule Overlapping rule Partial specialization rule Total specialization rule Disjoint rule ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling Multiplicity is the same as what concept for an ERD? Relationship Attribute Cardinality Entity Relationship Attribute Cardinality Entity ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Data Modeling The benefits of object-oriented modeling are which of the following? Improved communication between users, analysts, etc. Reusability of analysis, design, and programming results All of these The ability to tackle more challenging problems Improved communication between users, analysts, etc. Reusability of analysis, design, and programming results All of these The ability to tackle more challenging problems ANSWER DOWNLOAD EXAMIANS APP
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