Object Oriented Database An extent is which of the following? A keyword that indicates that the subclass inherits from a superclass 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 superclass inherits from a subclass A keyword that indicates that the subclass inherits from a superclass 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 superclass inherits from a subclass ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database Which of the following is true concerning an ODBMS? They are overtaking RDBMS for all applications. They have the ability to store complex data types on the Web. They are most useful for traditional, two-dimensional database table applications. All of these They are overtaking RDBMS for all applications. They have the ability to store complex data types on the Web. They are most useful for traditional, two-dimensional database table applications. All of these ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database Database objects are almost always transient. True False True False ANSWER DOWNLOAD EXAMIANS APP
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 Which of the following is an unordered collection of elements that may contain duplicates? Dictionary List Bag Set Dictionary List Bag Set ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database If you know all the possible values that an attribute can have, you can enumerate those values in ODL. True False True False ANSWER DOWNLOAD EXAMIANS APP
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