Neco 2017 Data Processing Question 48

Practice objective / multiple choice question 48 from the 2017 Neco Data Processing examination.

Neco 2017 Data Processing Objective / Multiple Choice Medium Difficulty
Question 48 NECO • 2017 • DATA_PROCESSING • objective

Consider a relation \(R(A,B,C,D,E)\) with the functional dependencies:\n\n\(A \rightarrow B\), \(A \rightarrow C\), \(BC \rightarrow D\), \(D \rightarrow E\).\n\nIdentify all candidate keys of \(R\) and state the highest normal form (up to BCNF) that \(R\) satisfies.

Answer Options

A. Candidate key = B; Highest normal form = 1NF
B. Candidate key = A; Highest normal form = BCNF
C. Candidate key = AB; Highest normal form = 3NF
Correct Answer D. Candidate key = A; Highest normal form = 2NF
Correct Answer
D
Correct Option:
Candidate key = A; Highest normal form = 2NF

About This Question

This is Neco 2017 Data Processing Question 48. It is one of the objective questions from the 2017 Neco Data Processing examination.

Difficulty level: Medium .

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