Q2.25

MCQ2 marks, −0.5

From the following instance of a relation schema $R(A,B,C)$ , we can conclude that:

\begin{array}{|l|l|}\hline \textbf{A} & \textbf{B} & \textbf{C} \\\hline \text{1} & \text{1} & \text{1} \\ \text{1} & \text{1} & \text{0} \\ \text{2} & \text{3} & \text{2} \\ \text{2} & \text{3} & \text{2} \\\hline \end{array}

(A)

$A$ functionally determines $B$ and $B$ functionally determines $C$

(B)

$A$ functionally determines $B$ and $B$ does not functionally determine $C$

(C)

$B$ does not functionally determine $C$

(D)

$A$ does not functionally determine $B$ and $B$ does not functionally determine $C$

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