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If B is an attribute and A→B, Then B is said to be ________ by a.

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If B is an attribute and A→B, Then B is said to be ________ by a.

(a) Logically implied

(b) Functionally implied

(c) Logically determined

(d) Functionally determined

The question was posed to me in exam.

The question is from Functional-Dependency Theory in division Relational Database Design of RDBMS

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The correct option is (d) Functionally determined

To explain: If B is an attribute and A→B, Then B is said to be functionally determined by a.

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