学生成绩管理系统

代码说明：

说明：  1. 能够实现根据以下关键字查询：学生姓名 、学号、班级、课程名称。 2. 能够实现按照单科成绩、总成绩、平均成绩、学号排序。 3. 能够实现学生信息的插入、删除和修改。 4. 能够查询每个课程的最高分、最低分及相应学生姓名、班级和学号。 5. 能够查询每个班级某门课程的优秀率(90 分及以上)、不及格率，并进行排序。(1. Be able to query according to the following keywords: student name, student number, class, course name. 2. It can be sorted according to single subject score, total score, average score and student number. 3. Be able to insert, delete and modify student information. 4. Be able to query the highest score and lowest score of each course and the corresponding student name, class and student number. 5. Be able to query the excellent rate (90 points and above) and failure rate of a course in each class, and sort them.)

文件列表：

学生成绩管理系统.doc, 1340928 , 2020-12-06