Neco 2018 Computer Studies Question 17
Practice objective / multiple choice question 17 from the 2018 Neco Computer Studies examination.
Relation S(A,B,C,D) has functional dependencies \( \{A \rightarrow B, B \rightarrow C, C \rightarrow D, A \rightarrow D\} \). (a) Find a minimal cover of the set. (b) Using the minimal cover, produce a lossless‑join, dependency‑preserving decomposition of S into 3NF and state how many relations are in the decomposition.
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About This Question
This is Neco 2018 Computer Studies Question 17. It is one of the objective questions from the 2018 Neco Computer Studies examination.
Difficulty level: Hard .
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