Object Oriented Database An extent is which of the following? The set of all instances of a class within a database Only one instance of a class within a database A keyword that indicates that the subclass inherits from a superclass A keyword that indicates that the superclass inherits from a subclass The set of all instances of a class within a database Only one instance of a class within a database A keyword that indicates that the subclass inherits from a superclass A keyword that indicates that the superclass inherits from a subclass ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database An attribute's value is either a literal or an object identifier. 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
Object Oriented Database Before specifying a key for a class, you must specify its extent. False True False True ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database In ODL, you specify an operation using parentheses after its name. False True False True ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database The reserved word enum is used for which of the following? To define a range for a class. To define a range for an attribute. To define a range for a relationship. All of these To define a range for a class. To define a range for an attribute. To define a range for a relationship. All of these ANSWER DOWNLOAD EXAMIANS APP
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