will.安稳的博客I've just created anew schema & want to create a new table. When ever I right click on 2myschema' that I created, and select 'new table',I give a name for the table to be created, but I get the fo...
林文泽的博客查询每门课程的平均成绩,结果按平均成绩升序排列,平均成绩相同时,按课程号降序排列 SELECT course_id,AVG(number) FROM score GROUP BY course_id ORDER BY AVG(number),course_id DESC; 13.查询平均成绩大于85的...
天瓶云水的博客I just heard about amazon rds and MySQLWorkbench today from my partner for my group project, so I'm not very familiar with them. My partner has created a host account on amazon rds for our database,....