1-N
N-1
Score
scId(NUMBER)stuNum(VARCHAR2)couName(VARCHAR2)scScore(VARCHAR2)
Courses
couId (NUMBER)couNum (VARCHAR2)couName (VARCHAR2)couhour (VARCHAR2)teaName (VARCHAR2)
Admin
admName (VARCHAR2) admNum (VARCHAR2)admPsw (VARCHAR2)
1-1
Class
clsId(NUMBER)clsNum(VARCHAR2)clsName(VARCHAR2)teaName(VARCHAR2)department(VARCHAR2)
Teacher
teaId(number)teaNum(VARCHAR2)teaName(VARCHAR2)teaPhone(VARCHAR2)
Student
stuId(NUMBER)stuNum(VARCHAR2)stuName(VARCHAR2)stuPsw(VARCHAR2)clsName(VARCHAR2)Sex(VARCHAR2)stuPhone(VARCHAR2)createDate(VARCHAR2)stuAddress(VARCHAR2)stuElse(VARCHAR2)
