Object-Oriented Database – General Questions

6. The object definition language (ODL) is which of the following?

A. Used to develop logical schemas
B. A data definition language for OODB
C. A method to implement a logical schema
D. All of the above.

Correct Answer:  D. All of the above.

7. An atomic literal is which of the following?

A. Strings
B. Boolean
C. Long
D. All of the above

Correct Answer:  D. All of the above

8. Which of the following is true concerning an ODBMS?

A. They have the ability to store complex data types on the Web.
B. They are overtaking RDBMS for all applications.
C. They are most useful for traditional, two-dimensional database table applications.
D. All of the above.

Correct Answer:  A. They have the ability to store complex data types on the Web.

9. The reserved word enum is used for which of the following?

A. To define a range for an attribute.
B. To define a range for a class.
C. To define a range for a relationship.
D. All of the above.

Correct Answer:  A. To define a range for an attribute.

10. Which of the following is an unordered collection of elements that may contain duplicates?

A. Set
B. Bag
C. List
D. Dictionary

Correct Answer:  B. Bag

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