Many relationship in the entity relationship model

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Reference no: EM131232336

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

Reference no: EM131232336

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