查询平均成绩大于60分的学生的学号和平均成绩
select s_id,s_score,avg(s_score) from Score
group by s_id having avg(s_score)
where s_score>60
我这个怎么会出错呢?
select s_id "学号",avg(s_score) "平均分" from Score group by s_id having avg(s_score)>60
语法不熟造成的错误!