sql查询出各科成绩最好的学生信息
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2023-08-13 18:55:28
1.相关数据表 score表 [user]表 sql语句如下： 复制代码 代码如下: --查询出各科成绩最好的学生信息 --自连接 --select top 1...
1.相关数据表
score表
[user]表
sql语句如下：
--查询出各科成绩最好的学生信息
--自连接
--select top 1 * from score b where b.scorename = '数学' order by b.score desc
select a.id,u.name,a.scorename,a.score
from score a,[user]u
where uid in (select top 1 uid
from score b
where b.scorename = a.scorename
order by b.score desc) and a.uid=u.id
order by a.scorename, a.score desc
查询结果如下图：
score表
[user]表
sql语句如下：
复制代码 代码如下:
--查询出各科成绩最好的学生信息
--自连接
--select top 1 * from score b where b.scorename = '数学' order by b.score desc
select a.id,u.name,a.scorename,a.score
from score a,[user]u
where uid in (select top 1 uid
from score b
where b.scorename = a.scorename
order by b.score desc) and a.uid=u.id
order by a.scorename, a.score desc
查询结果如下图：