How to get employee names along department names who having highest salary in respective departments.

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SQL-Server-2008R2

Hi Friends,

I am having two tables 1) EMP and 2) DEPT

EMP table :
Empid Ename Esal deptId
1 raju 10000 10
2 rani 50000 20
3 pavan 7000 10
4 kumar 8000 30

DEPT table:
Deptid Dname
10 IT
20 Non IT
30 HR

I want output: Highest Salary department wise along wit department name and emp details
Like as follows:

Empid Ename Esal DName
1 raju 10000 IT
2 rani 50000 Non IT
4 kumar 8000 HR

Please suggest me with best query :)

Thanks & Regards
Syed Chand Basha

Posted 4-Feb-15 2:54am

chand5055

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Richard Deeming · Accepted Answer · 2015-02-04T04:25:00

Assuming you don't care about ties, something like this should work:

SQL

WITH RankedEmployees As
(
    SELECT
        EmpId,
        EmpName,
        Esal,
        DeptId,
        ROW_NUMBER() OVER (PARTITION BY DeptId ORDER BY Esal DESC) As RN
    FROM
        Emp
)
SELECT
    E.EmpId,
    E.EmpName,
    E.Esal,
    D.DName
FROM
    Dept As D
    INNER JOIN RankedEmployees As E
    ON E.DeptID = D.DeptId
    And E.RN = 1
;

If you do want to show ties, replace ROW_NUMBER with RANK.

ROW_NUMBER[^]
RANK[^]