Solution to TSQL Beginners Challenge 1

DECLARE @Employees TABLE(
   EmployeeID INT IDENTITY,
   EmployeeName VARCHAR(15),
   Department VARCHAR(15),
   Salary NUMERIC(16,2)
)

INSERT INTO @Employees(EmployeeName, Department, Salary)
VALUES('T Cook','Finance', 40000)
INSERT INTO @Employees(EmployeeName, Department, Salary)
VALUES('D Michael','Finance', 25000)
INSERT INTO @Employees(EmployeeName, Department, Salary)
VALUES('A Smith','Finance', 25000)
INSERT INTO @Employees(EmployeeName, Department, Salary)
VALUES('D Adams','Finance', 15000)
 
INSERT INTO @Employees(EmployeeName, Department, Salary)
VALUES('M Williams','IT', 80000)
INSERT INTO @Employees(EmployeeName, Department, Salary)
VALUES('D Jones','IT', 40000)
INSERT INTO @Employees(EmployeeName, Department, Salary)
VALUES('J Miller','IT', 50000)
INSERT INTO @Employees(EmployeeName, Department, Salary)
VALUES('L Lewis','IT', 50000)
 
INSERT INTO @Employees(EmployeeName, Department, Salary)
VALUES('A Anderson','Back-Office', 25000)
INSERT INTO @Employees(EmployeeName, Department, Salary)
VALUES('S Martin','Back-Office', 15000)
INSERT INTO @Employees(EmployeeName, Department, Salary)
VALUES('J Garcia','Back-Office', 15000)
INSERT INTO @Employees(EmployeeName, Department, Salary)
VALUES('T Clerk','Back-Office', 10000)


SELECT 
	q.*
FROM
	@employees Q
INNER JOIN ( SELECT ROW_NUMBER() OVER ( PARTITION BY Department ORDER BY Salary DESC) as row,department,salary
			 FROM @employees )t ON q.department = t.department and q.salary = t.salary and t.row = 2
ORDER BY 
	Q.department

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