Object Oriented Database Using OQL, you may do which of the following? Return a collection of elements without duplicates. Return a specific subset of elements using a given criteria. All of these Return an entire collection of elements including duplicates. Return a collection of elements without duplicates. Return a specific subset of elements using a given criteria. All of these Return an entire collection of elements including duplicates. ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database Which of the following is an ordered collection of elements of the same type? Dictionary List Bag Set Dictionary List Bag Set ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database Which of the following is true concerning the following statement: class Manager extends Employee 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. Manager is an abstract class and a superclass. Manager is an abstract class and a subclass. 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 An extent is which of the following? Only one instance of a class within a database The set of all instances of a class within a database A keyword that indicates that the superclass inherits from a subclass A keyword that indicates that the subclass inherits from a superclass Only one instance of a class within a database The set of all instances of a class within a database A keyword that indicates that the superclass inherits from a subclass A keyword that indicates that the subclass inherits from a superclass ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database A relationship should be specified how in the ODL? Neither direction Both directions One direction starting with the first class One direction starting with the second class Neither direction Both directions One direction starting with the first class One direction starting with the second class ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS