1. ODL supports the abstract keyword for classes and operations.

A. True
B. False

Show Answer

2. The ODMG Object Model requires that a relationship be specified in both directions.

A. True
B. False

Show Answer

3. Before specifying a key for a class, you must specify its extent.

A. True
B. False

Show Answer

4. The Object Model supports different literal types but does not support atomic literals, collection literals, and structured literals.

A. True
B. False

Show Answer

5. The ODMG Object Model supports only unary and binary relationships.

A. True
B. False

Show Answer