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