Object Oriented Database Which of the following is true concerning the following statement: class Manager extends Employee Manager is a concrete class and a subclass. Manager is a concrete class and a superclass. Manager is an abstract class and a subclass. Manager is an abstract class and a superclass. Manager is a concrete class and a subclass. Manager is a concrete class and a superclass. Manager is an abstract class and a subclass. Manager is an abstract class and a superclass. ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database Using OQL, you may do which of the following? All of these Return a specific subset of elements using a given criteria. Return an entire collection of elements including duplicates. Return a collection of elements without duplicates. All of these Return a specific subset of elements using a given criteria. Return an entire collection of elements including duplicates. Return a collection of elements without duplicates. ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database The reserved word enum is used for which of the following? To define a range for an attribute. To define a range for a class. All of these To define a range for a relationship. To define a range for an attribute. To define a range for a class. All of these To define a range for a relationship. ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database In ODL, you specify an operation using parentheses after its name. True False True False ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database An atomic literal is which of the following? Long Boolean All of these Strings Long Boolean All of these Strings ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database An extent is which of the following? 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 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 ANSWER DOWNLOAD EXAMIANS APP
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