Suppose you are designing a default value for the age field in a student record at your university. What possible values would you consider, and why? How might the default vary by other characteristics about the student, such as school within the university or degree sought?
DBMS you are using is Oracle. If that is not the case, feel free to modify the question for the DBMS environment that you are familiar with. You can also compare and contrast answers for different DBMSs.