Question
AB`->` CD AF`->` D DE`->` F C`->`
G F`->` E G`->` A Then which of the following is false?Solution
AB+ = {A, B, C, D, G} → ❌ Missing F, E → So, AB is not a candidate key C → G → A ⇒ ✅ C determines A F → E ⇒ ✅ Given DE → F ⇒ ✅ Given G → B ⇒ ❌ False (no path from G to B) Final Answer: The false statement is: "G → B" or "AB is a candidate key" — both are false.
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