jillyfishloser1112 jillyfishloser1112

06-03-2024
Mathematics

contestada

How many essential attributes exist in a relational schema (R = (a, b, c, d, e, f)) with the following dependencies: (c → f) (e → a) (ec → d) (a → b)

A) 2
B) 3
C) 4
D) 5

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