Q85

Consider the following functional dependencies in a database.

\begin{array}{|l|l|}\hline \text{Date_of_Birth } \to \text{Age} & \text{Age } \to \text{Eligibility} \\\hline \text{Name } \to \text{Roll_number} & \text{Roll_number }\to \text{Name} \\\hline \text{Course_number }\to \text{Course_name} & \text{Course_number } \to\text{Instructor} \\\hline \text{(Roll_number, Course_number) }\to\text{Grade} & \text{} \\\hline \end{array}

The relation (Roll_number, Name, Date_of_birth, Age) is