City Guilds Model Questions Vol1 2017 Information Technology Question 36

Practice objective / multiple choice question 36 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 36 CITY_GUILDS_MODEL_QUESTIONS_VOL1 • 2017 • INFORMATION_TECHNOLOGY • objective

The relation R(A,B,C,D) has the functional dependencies: \(A \rightarrow B\), \(B \rightarrow C\), and \(A \rightarrow D\). (a) State whether R is in Boyce‑Codd Normal Form (BCNF). (b) If it is not, decompose R into a set of BCNF relations and list the resulting relation schemas.

Answer Options

A. {R1(A,B), R2(A,D), R3(B,C)}
B. {R1(A,B,C), R2(A,D)}
Correct Answer C. {R1(B,C), R2(A,B,D)}
D. {R1(A,B), R2(B,C,D)}
Correct Answer
C
Correct Option:
{R1(B,C), R2(A,B,D)}

About This Question

This is City Guilds Model Questions Vol1 2017 Information Technology Question 36. 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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