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 Specifying a key ensures that no two objects belonging to a class have the same value for the key attribute(s). True False True False ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database You may specify an object identifier with only one unique tag name. False True False True ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database Which of the following is true concerning an ODBMS? 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 They are most useful for traditional, two-dimensional database table applications. They are overtaking RDBMS for all applications. ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database An attribute's value is either a literal or an object identifier. False True False True ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database The Object Model supports different literal types, but does not support atomic literals, collection literals, and structured literals. False True False True ANSWER DOWNLOAD EXAMIANS APP
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