Gce Model Questions Vol1 2021 Computer Studies Question 14
Practice objective / multiple choice question 14 from the 2021 Gce Model Questions Vol1 Computer Studies examination.
Relation \(R(A,B,C,D,E)\) has the functional dependencies: \(A \rightarrow B\), \(A \rightarrow C\), \(BC \rightarrow D\), and \(D \rightarrow E\).\n(a) Find all candidate keys of \(R\).\n(b) Produce a lossless‑join, dependency‑preserving decomposition of \(R\) into relations that are in Third Normal Form (3NF). List the resulting relations.
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This is Gce Model Questions Vol1 2021 Computer Studies Question 14. It is one of the objective questions from the 2021 Gce Model Questions Vol1 Computer Studies examination.
Difficulty level: Hard .
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