摘要: Student表: select * from student; 课程表Course: select * from course; 教师表teacher: select * from teacher; 成绩表Score: select * from sc; 1、查询" 01 "课程比" 02 "课程 阅读全文
posted @ 2019-10-20 21:13 limalove 阅读(3039) 评论(0) 推荐(0)