学生管理系统界面java编程

CREATE TABLE class( class_No int PRIMARY KEY, grade int, director char(10), classroom_No char(10) ) CREATE TABLE [course]( course_No int PRIMARY KEY, course_Name varchar(50), course_Type char(10), course_Des char(50) ) CREATE TABLE [gradecourse]( grade char(10), course_Name char(20) ) CREATE TABLE result( exam_No char(10), student_ID int, student_Name varchar(50), class_No int NULL, course_Name varchar(50), result float ) CREATE TABLE student( student_ID int PRIMARY KEY, student_Name varchar(50) UNIQUE, student_Sex char](2), born_Date datetime, class_NO int, tele_Number varchar(50), ru_Date datetime], address varchar(50), comment varchar(200) ) CREATE TABLE users( username varchar(50) PRIMARY KEY, pwd varchar(50), power varchar(50) )