Normalization & Functional Dependencies

Single correct

• A$\{P, R\} \rightarrow \{S, T\}$
• B$\{P, R\} \rightarrow \{R, T\}$
• C$\{P, S\} \rightarrow \{S\}$
• D$\{P, S, U\} \rightarrow \{Q\}$

Single correct

• Ain all candidate keys of $R$.
• Bin some candidate key of $R$.
• Cin a foreign key of $R$.
• Donly in the primary key of $R$.