mysql查询选修“张三”老师所授课程的学生中成绩最高的学生姓名及其成绩
SELECT s.name, g.score FROM student AS s INNER JOIN grade AS g ON s.id = g.student_id INNER JOIN course
2023-07-15 08:48
176 
mysql查询两门以上不及格课程的同学的学号及其平均成绩
SELECT sno,AVG(score) FROM student WHERE score < 60 GROUP BY sno HAVING COUNT(score)>=2;
2023-07-14 09:07
171 
mysql查询不同课程成绩相同的学生的学生编号、课程编号、学生成绩
SELECT a.student_no, a.course_no, a.score FROM student_score a INNER JOIN student_score b ON a.score=b.
2023-07-14 09:06
201 
mysql求每门课程的学生人数
SELECT course, COUNT(*) AS student_number FROM course GROUP BY course;
2023-07-14 09:06
162 
mysql查询课程编号为03且课程成绩在80分以上的学生的学号和姓名
SELECT S_NO,S_Name FROM student WHERE C_NO=03 AND S_Score>=80;
2023-07-13 09:14
187 
mysql查询不及格的课程并按课程号从大到小排列
SELECT CourseId FROM SC WHERE Grade
2023-07-13 09:14
164 
mysql查询任何一门课程成绩在70分以上的姓名、课程名称和分数
SELECT student_name, course_name,score FROM student_course WHERE score>70;
2023-07-13 09:14
175 
mysql查询所有学生的课程及分数情况
select student.name, course.name, score.score from student inner join score on score.student_id=student.
2023-07-13 09:14
174 
返回顶部 留言