1. A foreign key is used to implement relationships between tables.

A. True
B. False


Correct Answer:  A. True

2. The terms alternate key and candidate key means the same thing.

A. True
B. False


Correct Answer:  A. True

3. In 1:N relationships, which entity becomes the parent entity is arbitrary.

A. True
B. False


Correct Answer:  B. False

4. When the parent entity is required, cascading updates and cascading deletions should be allowed or the associated actions on the parent should be prohibited.

A. True
B. False


Correct Answer:  A. True

5. In a 1:1 relationship, the primary key placement is arbitrary.

A. True
B. False


Correct Answer:  A. True

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