摘要: 1、查询有任课教师的姓名和department: 课程表: mysql> select * from course; + + + + | cour_num | cour_name | tea_num | + + + + | 1-245 | Math | 0438 | | 2-271 | Circui 阅读全文
posted @ 2020-04-13 14:48 闪亮可可仙 阅读(346) 评论(0) 推荐(0) 编辑