Object Oriented Database Before specifying a key for a class, you must specify its extent. True False True False ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database Using OQL, you may do which of the following? Return a collection of elements without duplicates. Return an entire collection of elements including duplicates. Return a specific subset of elements using a given criteria. All of these Return a collection of elements without duplicates. Return an entire collection of elements including duplicates. Return a specific subset of elements using a given criteria. All of these 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 The object definition language (ODL) is which of the following? Used to develop logical schemas A data definition language for OODB A method to implement a logical schema All of these Used to develop logical schemas A data definition language for OODB A method to implement a logical schema All of these ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database An extent is which of the following? A keyword that indicates that the subclass inherits from a superclass A keyword that indicates that the superclass inherits from a subclass 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 subclass inherits from a superclass A keyword that indicates that the superclass inherits from a subclass Only one instance of a class within a database The set of all instances of a class within a database ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database An ordered collection of elements of the same type are called sets. False True False True ANSWER DOWNLOAD EXAMIANS APP
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