1. A one to many relationship in the Entity Relationship model is implemented as a __________ in the relational model.

?        A. Determinant

?        B. Primary Key

        C. Foreign Key

?        D. Transitive Dependency

?        E. Calculated Field

2. Functional dependency is a constraint between two sets of attributes. A deteminant is the attribute on the left-hand side of the arrow in a functional dependency. A determinant could be:

?        A. A Candidate Key

?        B. Part of a Composite key

        C. A non-key attribute

?        D. All of the above

?        E. A and B

3. Which type of file organization is most efficient with multiple key searches or retrievals?

?        A. Hashed

       B. Clusteres

        C. Indexed

?        D. Sequential

?        E. None of the above