City Guilds Model Questions Vol1 2023 Information Technology Question 32

Practice objective / multiple choice question 32 from the 2023 City Guilds Model Questions Vol1 Information Technology examination.

City Guilds Model Questions Vol1 2023 Information Technology Objective / Multiple Choice Medium Difficulty
Question 32 CITY_GUILDS_MODEL_QUESTIONS_VOL1 • 2023 • INFORMATION_TECHNOLOGY • objective

Consider a relation \(R(A,B,C,D)\) with the functional dependencies \(A \rightarrow B\), \(B \rightarrow C\) and \(A \rightarrow D\). Determine the highest normal form (1NF, 2NF, 3NF or BCNF) that \(R\) satisfies, and give a lossless‑join, dependency‑preserving decomposition of \(R\) into BCNF relations.

Answer Options

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

About This Question

This is City Guilds Model Questions Vol1 2023 Information Technology Question 32. It is one of the objective questions from the 2023 City Guilds Model Questions Vol1 Information Technology examination.

Difficulty level: Medium .

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