新建 文本文档 (6).txt
来自「一个数据库SQL语言」· 文本 代码 · 共 9 行
TXT
9 行
select studentname 学生姓名,courses.coursename 课程名,teachername 教师姓名,grade 成绩
from students,courses,teachers,enrolls,sections
where teachers.teacher=sections.teacher and sections.course=enrolls.course and students.student=enrolls.student and courses.course=enrolls.course
select studentname 学生姓名,courses.coursename 课程名,teachername 教师姓名,grade 成绩
from students,courses,teachers,enrolls,sections
where teachers.teacher=sections.teacher and sections.course=enrolls.course and students.student=enrolls.student and courses.course=enrolls.course
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