a) Everyone can be member by register online.
b) Keep the following member data: member ID, first name, last name, member type,
email, address, username and password.
c) There are four member types: student, teacher, officer, and other. Each member can be
only one member type.
d) Member can post questions. All question data: question number, question details,
posting date and posting time must be stored along with his/her member ID and IP
address for tracking.
e) Each member can post many questions. Each question must be post by only one
member.
f) Member can reply answers for a question. All answer data: answer number, answer
detail, replying date, replying time must be stored along with his/her member ID, IP
address and question ID.
g) Each member can reply many answers for a question. Each answer must be replied by
only one member.