SQL Server

开发平台：

SQL

2-14.sql：源码内容

							select distinct coursename,studentname,teachername,grade
from students,courses,enrolls,sections,teachers
where courses.course=sections.course and sections.course=enrolls.course and students.student=enrolls.student and teachers.teacher=sections.teacher and students.student=enrolls.student
group by enrolls.student,courses.coursename,students.studentname,teachers.teachername,enrolls.grade

						