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 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 A keyword that indicates that the subclass inherits from a superclass ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database An attribute's value is always literal. True False True False ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database The object definition language (ODL) is which of the following? A method to implement a logical schema Used to develop logical schemas All of these A data definition language for OODB A method to implement a logical schema Used to develop logical schemas All of these A data definition language for OODB ANSWER DOWNLOAD EXAMIANS APP
Object Oriented Database Literals do not have identifiers, and, therefore, cannot be individually referenced like objects. False True False True ANSWER DOWNLOAD EXAMIANS APP
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 ODL supports the abstract keyword for classes and operations. False True False True ANSWER DOWNLOAD EXAMIANS APP
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