Introduction - If you have any usage issues, please Google them yourself
(1) students, teachers, administrators, visitors to the different landing the role of judge under the landing. (2) only allows systems administrators to students, teachers, curriculum and other information management. (3) students, administrators, teachers, their personal information can be maintained. (4) were elective and students can access a variety of information. (5) Teachers can give students and revise the student achievement scores, and students on their own inquiries (6) to design the database to have a certain integrity.