An ordered collection of elements of the same type are called sets. True False TRUE ANSWER : ? YOUR ANSWER : ?
Literals do not have identifiers, and, therefore, cannot be individually referenced like objects. True False TRUE ANSWER : ? YOUR ANSWER : ?
The ODMG Object Model requires that a relationship be specified in both directions. True False TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is true concerning an ODBMS? All of these They have the ability to store complex data types on the Web. They are most useful for traditional, two-dimensional database table applications. They are overtaking RDBMS for all applications. TRUE ANSWER : ? YOUR ANSWER : ?
ODL supports the abstract keyword for classes and operations. False True TRUE ANSWER : ? YOUR ANSWER : ?
In ODL, you specify an operation using parentheses after its name. False True TRUE ANSWER : ? YOUR ANSWER : ?
The ODMG Object Model supports only unary and binary relationships. False True TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is an unordered collection of elements that may contain duplicates? Dictionary Bag Set List TRUE ANSWER : ? YOUR ANSWER : ?
Using ODL, you can define which of the following? Structure All of these Attribute Operation TRUE ANSWER : ? YOUR ANSWER : ?
Specifying a key ensures that no two objects belonging to a class have the same value for the key attribute(s). True False TRUE ANSWER : ? YOUR ANSWER : ?