ODL supports the abstract keyword for classes and operations. True False TRUE ANSWER : ? YOUR ANSWER : ?
Before specifying a key for a class, you must specify its extent. True False TRUE ANSWER : ? YOUR ANSWER : ?
An atomic literal is which of the following? Boolean Strings Long All of these TRUE ANSWER : ? YOUR ANSWER : ?
A relationship should be specified how in the ODL? One direction starting with the second class Both directions One direction starting with the first class Neither direction TRUE ANSWER : ? YOUR ANSWER : ?
The keyword "inverse" is used in which of the following? Relationship Attribute All of these Class TRUE ANSWER : ? YOUR ANSWER : ?
An extent is which of the following? 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 TRUE ANSWER : ? YOUR ANSWER : ?
The ODMG Object Model requires that a relationship be specified in both directions. True False TRUE ANSWER : ? YOUR ANSWER : ?
The ODMG Object Model supports only unary and binary relationships. True False TRUE ANSWER : ? YOUR ANSWER : ?