当前位置:百科知识 > 知到金典讲堂答案

问题描述:

[单选] 基于以上四个表,查询平均成绩大于60分的学生的学号和平均成绩?
A.select sno,sum(score) from sc group by sno having sum(score)>60; B.select sno,avg(score) from sc group by sno having avg(score)>60; C.select sno,score from sc group by sno having score>60; D.select sno,avg(score) from sc group by sno where avg(score)>60;
参考答案:查看
答案解析:
☆收藏

随机题目