Object Oriented Database Before specifying a key for a class, you must specify its extent. 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 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 The set of all instances of a class within a database 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 Which of the following is true concerning an ODBMS? They are most useful for traditional, two-dimensional database table applications. They are overtaking RDBMS for all applications. They have the ability to store complex data types on the Web. All of these They are most useful for traditional, two-dimensional database table applications. They are overtaking RDBMS for all applications. They have the ability to store complex data types on the Web. All of these 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 ODL supports the abstract keyword for classes and operations. False True False True ANSWER DOWNLOAD EXAMIANS APP
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