In: Computer Science
Financial Aid refers to the support or help to the students in the form of scholarship, placements or loans in order to meet the financial obligations of a student. A Financial Aid can have attributes like name(name of student), course, amount(scholarship amount) etc regarding the student. For deciding the primary key for Financial Aid relation or table, we can provide studentid as the primary key as it will not have same value for any two students.
A student can have two attributes : studentid, rollno either of these can be used as a primary key as both will not have same values for any two students at any time. Moreover a Student database can also hold attributes like name, course, address, marks etc. The primary key for student database will be used to refer another relation or table uniquely.