Database Design Multiple Choice Let us apply class material, we are given the ta

Question

Database Design Multiple Choice

Let us apply class material, we are given the table structure: R(A, B, C, D, E) We are also given the two facts that: (1) D rightarrow B and (2) (A, B) rightarrow (C, D, E) Just based on the above given structural information of R, which statement below is true? (a) R is not in First Normal Form (1NF) (b) R is not in Second Normal Form (2NF) (c) There is transitive dependency from the primary key through the non-key attributes (d) R is not in Boyce Codd NF (BCNF) (e) None of (a) through (d) is the correct answer.

Explanation / Answer

i think e is the correct answer

None

(a) through

(d) is the correct answer

D ----> B is the second normal form

R-----> is the first normal form

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