Object Oriented Database Which of the following is true concerning the following statement: class Manager extends Employee Manager is an abstract class and a superclass. Manager is an abstract class and a subclass. Manager is a concrete class and a superclass. Manager is a concrete class and a subclass. Manager is an abstract class and a superclass. Manager is an abstract class and a subclass. Manager is a concrete class and a superclass. Manager is a concrete class and a subclass. 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 The ODMG Object Model requires that a relationship be specified in both directions. True False True False ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database An extent is which of the following? A keyword that indicates that the superclass inherits from a subclass Only one instance of a class within a database A keyword that indicates that the subclass inherits from a superclass The set of all instances of a class within a database A keyword that indicates that the superclass inherits from a subclass Only one instance of a class within a database A keyword that indicates that the subclass inherits from a superclass The set of all instances of a class within a database ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database Using ODL, you can define which of the following? Operation Attribute All of these Structure Operation Attribute All of these Structure ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database Which of the following is an unordered collection of elements that may contain duplicates? Bag Set List Dictionary Bag Set List Dictionary ANSWER DOWNLOAD EXAMIANS APP
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