AdventureWorks Database: Fetch hiredate of last employee in a department for a salary

SQL Query - AdventureWorks: Exercise-106 with Solution

106. From the following tables write a query in SQL to return the hire date of the last employee in each department for the given salary (Rate). Return department, lastname, rate, hiredate, and the last value of hiredate.

Sample table: HumanResources.vEmployeeDepartmentHistory

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Sample table: HumanResources.EmployeePayHistory

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Sample table: HumanResources.Employee

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Sample Solution:

SELECT Department
    , LastName
    , Rate
    , HireDate
    , LAST_VALUE(HireDate) OVER (
        PARTITION BY Department ORDER BY Rate
        ) AS LastValue
FROM HumanResources.vEmployeeDepartmentHistory AS edh
INNER JOIN HumanResources.EmployeePayHistory AS eph
    ON eph.BusinessEntityID = edh.BusinessEntityID
INNER JOIN HumanResources.Employee AS e
    ON e.BusinessEntityID = edh.BusinessEntityID
WHERE Department IN ('Information Services', 'Document Control');

Sample Output:

department          |lastname     |rate   |hiredate  |lastvalue |
Document Control    |Chai         |  10.25|2009-01-22|2009-02-09|
Document Control    |Berge        |  10.25|2009-02-09|2009-02-09|
Document Control    |Kharatishvili|16.8269|2008-12-16|2009-03-06|
Document Control    |Norred       |16.8269|2009-03-06|2009-03-06|
Document Control    |Arifin       |17.7885|2009-01-04|2009-01-04|
Information Services|Bueno        |27.4038|2008-12-23|2009-01-11|
Information Services|Berg         |27.4038|2009-02-16|2009-01-11|
Information Services|Meyyappan    |27.4038|2009-02-03|2009-01-11|
Information Services|Bacon        |27.4038|2009-01-11|2009-01-11|
Information Services|Sharma       |32.4519|2008-12-04|2009-02-23|

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