* operation, role, idnumber(user), idnumber(course) [, starttime, endtime] donde: * operation = add | del * role = student | teacher | teacheredit * idnumber(user) = idnumber in the user table NB not id * idnumber(course) = idnumber in the course table NB not id * starttime = start time (in seconds since epoch) - optional * endtime = end time (in seconds since epoch) - optional
add, student, 5, CF101 add, teacher, 6, CF101 add, teacheredit, 7, CF101 del, student, 8, CF101 del, student, 17, CF101 add, student, 21, CF101, 1091115000, 1091215000