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 a collection of elements without duplicates. Return an entire collection of elements including duplicates. All of these Return a specific subset of elements using a given criteria. Return a collection of elements without duplicates. Return an entire collection of elements including duplicates. 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? 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 Only one instance of a class within a database ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database ODL supports the abstract keyword for classes and operations. True False True False ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database Which of the following is an ordered collection of elements of the same type? Bag List Set Dictionary Bag List Set Dictionary ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database A relationship should be specified how in the ODL? One direction starting with the first class Neither direction Both directions One direction starting with the second class One direction starting with the first class Neither direction Both directions One direction starting with the second class ANSWER DOWNLOAD EXAMIANS APP
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