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 A relationship should be specified how in the ODL? One direction starting with the first class One direction starting with the second class Both directions Neither direction One direction starting with the first class One direction starting with the second class Both directions Neither direction ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database An attribute's value is either a literal or an object identifier. True False True False ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database Database objects are almost always transient. True False True False ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database Using OQL, you may do which of the following? All of these Return an entire collection of elements including duplicates. Return a specific subset of elements using a given criteria. Return a collection of elements without duplicates. All of these Return an entire collection of elements including duplicates. Return a specific subset of elements using a given criteria. Return a collection of elements without duplicates. ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database An attribute's value is always literal. False True False True ANSWER DOWNLOAD EXAMIANS APP
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