CS 430 Midterm #2 Study Guide Solutions
Axioms, or rules of inference, provide a simpler technique for reasoning about functional dependencies.
- ANSWERTrue
If a relation r is legal under a set F of functional dependencies, we say that r satisfies F. -
ANSWERTrue
Some functional dependencies a...
Consider the relation R with attributes: A, B, C, D, E, and F. Let S be a set of functional dependencies in R
such that S = { A -> B, CD -> E, C -> D}. Which of these attributes are in the closure of {A, C, F}+?
A
B
C
D
E
F - ANSWER✔✔A
B
C
D
E
F
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