只需使用：
select s.name "Student", c.name "Course"from student s, bridge b, course cwhere b.sid = s.sid and b.cid = c.cid
只需使用：
select s.name "Student", c.name "Course"from student s, bridge b, course cwhere b.sid = s.sid and b.cid = c.cid
名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
