Question

我想展示薪水最高的球员。

select  max(Salary) as highest_salary, p.[Last name]
from tbl_PlayersTable as p, tbl_team as t
where p.Team = t.TeamID
and TeamID = 1000
Group by p.[Last name]

输出结果为：

highest_salary  Last Name
   8000          Bosh
   7000          Wade
   6000          James

我只想表现出来（因为他是薪水最高的球员，所以有8000名波什）。

Answer 1

您不需要MAX也不需要GROUP BY，只需将TOP 1与ORDER BY Salary DESC一起使用即可。像这样：

select TOP (1) Salary as highest_salary, p.[Last name]
from tbl_PlayersTable as p, tbl_team as t
where p.Team = t.TeamID
 and TeamID = 1000
ORDER BY Salary  DESC

Answer 2

您正在对值进行分组（请参阅最后的分组依据），因此您的最大函数计算每组的最大值。如果您想要绝对最大值，请删除分组。

Answer 3

无需group by甚至max：

select  top 1 Salary
,       [Last name]
from    tbl_PlayersTable
where   TeamID = 1000
order by
        salary desc

Answer 4

因为您使用了group by p.[Last name]，所以对于找到的每个不同的max(Salary)，查询都会获得Last name。因此，如果您希望获得所有max(Salary)的{{1}}基础，则必须删除Last name

Answer 5

您需要获得前1个值

  select TOP (1) Salary as maxsalary, p.[Last name]
   from tbl_PlayersTable as p 
   Inner join  tbl_team as t on  p.Team = t.TeamID
  where TeamID = 1000
  ORDER BY Salary  DESC

为什么sql中的max函数返回多个值

5 个答案: