Computers and Technology, 13.04.2021 05:00 levilugar
Suppose you are given a relation R with four attributes ABCD. For each of the following sets of FDs, assuming those are the only dependencies that hold for R, do the following: (a) Identify the candidate key(s) for R. (b) Identify the best normal form that R satisfies (1NF, 2NF, 3NF, or BCNF). (c) If R is not in BCNF, decompose it into a set of BCNF relations that preserve the dependencies.
1. C β D, C β A, B β C
2. B β C, D β A
3. ABC β D, D β A
4. A β B, BC β D, A β C
5. AB β C, AB β D, C β A, D β B
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Suppose you are given a relation R with four attributes ABCD. For each of the following sets of FDs,...
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