Question

EMPID NAME DEPTID SALARY
---------- ------------------------------------------ --
101 surendra 201 1000
102 narendra 202 2000
103 rajesh 203 3000
104 ramesh 203 2000
105 hanumanth 202 10000

a）写一个查询以找到至少第5名（从第5位开始的最低工资）工资最低的薪水？受薪员工？

b）查询以查找每个部门中收入最高的员工

Answer 1

a）写一个查询，找到至少第5名（从订单中的最低工资中获得第5名的最低工资）受薪员工？

SELECT EMPID,NAME,DEPTID,SALARY
FROM
(
SELECT EMPID,NAME,DEPTID,SALARY, DENSE_RANK() OVER (ORDER BY SALARY) AS RN
FROM Table1
) 
WHERE RN=5

b）查询以查找每个部门中收入最高的员工

SELECT EMPID,NAME,DEPTID,SALARY
FROM
(
SELECT EMPID,NAME,DEPTID,SALARY, 
  DENSE_RANK() OVER (PARTITION BY DEPTID ORDER BY SALARY DESC) AS RN
FROM Table1
)
WHERE RN=1

演示

http://sqlfiddle.com/#!4/63ce0/12

Answer 2

假设我们有一个名为EmployeeSalary的表，它有3列：

Id
名称
薪酬

根据以下表格数据，多名员工的薪水可能相同

Id  Name    Salary
----------
6   Belalo  74
1   Karim   100
5   dIPU    100
4   Satter  102
9   Kiron   120
10  Rash    120
11  Harun   130
13  Baki    130
12  Munshi  132
2   Rahim   500
7   Kaif    987
8   Sony    987
3   Belal   4000

现在查询将是

SELECT A.Salary
FROM
(
SELECT DISTINCT Salary, 
DENSE_RANK() OVER (ORDER BY Salary) AS Ranks
FROM [dbo].[EmployeeSalary]
) A 
WHERE A.Ranks=5

查询找到至少五名受薪员工

2 个答案: