#class • classid • classname
#exam • id • program_id • sub_id • exam_name • total • exam_date • date • add_by
#exam_category • id • category_name • program_id • date • add_by
#exam_list • id • exam_name • category_id • exam_date • date • add_by
#exam_mark • id • exam_id • mark_category_id • total_mark • date • add_by
#program • id • name • start • end • subject • fee • type • add_by • date
#result • id • exam_id • student_id • written • total • date • add_by
#student • id • name • father_name • mother_name • email • photo • personal_mobile • father_mobile • mother_mobile • address • birth_day • gender • religion • date