City Guilds Model Questions Vol1 2017 Information Technology Question 30

Practice objective / multiple choice question 30 from the 2017 City Guilds Model Questions Vol1 Information Technology examination.

City Guilds Model Questions Vol1 2017 Information Technology Objective / Multiple Choice Medium Difficulty
Question 30 CITY_GUILDS_MODEL_QUESTIONS_VOL1 • 2017 • INFORMATION_TECHNOLOGY • objective

Consider a relation R(A, B, C, D) with the functional dependencies: \(A \rightarrow B\), \(B \rightarrow C\), and \(A \rightarrow D\).\n\n(a) Determine the highest normal form (1NF, 2NF, 3NF, BCNF) that R satisfies.\n(b) Decompose R into a set of relations that are in BCNF.

Answer Options

A. 1NF; BCNF decomposition: R1(A, B) and R2(C, D)
Correct Answer B. 2NF; BCNF decomposition: R1(B, C) and R2(A, B, D)
C. BCNF; BCNF decomposition: R1(A, B, C) and R2(A, D)
D. 3NF; BCNF decomposition: R1(A, D) and R2(B, C)
Correct Answer
B
Correct Option:
2NF; BCNF decomposition: R1(B, C) and R2(A, B, D)

About This Question

This is City Guilds Model Questions Vol1 2017 Information Technology Question 30. It is one of the objective questions from the 2017 City Guilds Model Questions Vol1 Information Technology examination.

Difficulty level: Medium .

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