Object Oriented Database An extent is which of the following? A keyword that indicates that the subclass inherits from a superclass Only one instance of a class within a database A keyword that indicates that the superclass inherits from a subclass The set of all instances of a class within a database A keyword that indicates that the subclass inherits from a superclass Only one instance of a class within a database A keyword that indicates that the superclass inherits from a subclass The set of all instances of a class within a database ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database The ODMG Object Model requires that a relationship be specified in both directions. False True False True ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database Literals do not have identifiers, and, therefore, cannot be individually referenced like objects. False True False True ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database Specifying a key ensures that no two objects belonging to a class have the same value for the key attribute(s). False True False True ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database ODL supports the abstract keyword for classes and operations. False True False True ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database An attribute's value is always literal. False True False True ANSWER DOWNLOAD EXAMIANS APP
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