City Guilds Model Questions Vol1 2019 Information Technology Question 5

Practice objective / multiple choice question 5 from the 2019 City Guilds Model Questions Vol1 Information Technology examination.

City Guilds Model Questions Vol1 2019 Information Technology Objective / Multiple Choice Medium Difficulty
Question 5 CITY_GUILDS_MODEL_QUESTIONS_VOL1 • 2019 • INFORMATION_TECHNOLOGY • objective

Consider a relation R(A,B,C,D) with the functional dependencies \(A \rightarrow B\) and \(B \rightarrow C\). Determine all candidate keys of R and state the highest normal form (1NF, 2NF, 3NF, BCNF) that R satisfies.

Answer Options

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

About This Question

This is City Guilds Model Questions Vol1 2019 Information Technology Question 5. It is one of the objective questions from the 2019 City Guilds Model Questions Vol1 Information Technology examination.

Difficulty level: Medium .

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