Question: 3 . Identify the functional dependency rule for each of the following items: a . If X - > Z and X - > Y

3. Identify the functional dependency rule for each of the following items:
a. If X -> Z and X -> Y, then X ->(Z,Y). What functional dependency rule does this demonstrate?
b. If A -> B and B -> C, then A -> C. What is the name for this type of functional dependency?
c. Use a formula like the above to show the decomposition rule.

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