Mysql数据库，内连接多表查询

student表

Result表

subject表

组合查询三个表中不同的列（外键）：StudentNo,StudentName,SubjectName,StudentResult

SELECT student.StudentNo,studentname,SubjectName,StudentResult
FROM student
INNER JOIN result ON result.Studentno=student.StudentNo
INNER JOIN subject ON subject.GradeID=student.GradeId

查询结果