Mathematics, 16.12.2019 21:31 jessiejohnsonjr123
Suppose you are given a relation r(a, b,c, d). for each of the following sets of fds, assuming they are the only dependencies that hold for r, do the following: (a) identify the candidate key(s) for r. (b) state whether or not the proposed decomposition of r into smaller relations is a good decomposition and briefly explain why or why not.
Answers: 3
Mathematics, 21.06.2019 16:30
Which elements in the set below are integers? 12, β3β4,β 25 , β7, β 5 , 14β7, 9 a. 12, β 25 , β7, 9 b. 12, β 25 , β7, 14β7, 9 c. β3β4, 25 , β 5 ,14β7 d. 12, β7, 9
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Mathematics, 21.06.2019 22:10
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Suppose you are given a relation r(a, b,c, d). for each of the following sets of fds, assuming they...
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