Write a query to find employees who have the highest salary in each of the departments.Input format :The input tables are already prepopulated, as given in the problem statement.Output format :The output display the name of each department along with the name of the employee who has the highest salary within that department and their respective salary. Order the output by department name as shown below.Refer to the sample output for the column headers.
Question
Write a query to find employees who have the highest salary in each of the departments.Input format :The input tables are already prepopulated, as given in the problem statement.Output format :The output display the name of each department along with the name of the employee who has the highest salary within that department and their respective salary. Order the output by department name as shown below.Refer to the sample output for the column headers.
Solution
To answer your question, you can use the SQL language to write a query that will find the employees with the highest salary in each department. Here's a step-by-step guide on how to do it:
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First, you need to join the Employees and Departments tables on the DepartmentId field. This will allow you to access the department name and employee salary in the same query. You can do this using the JOIN keyword in SQL.
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Next, you need to group the results by department name. This will create separate groups for each department. You can do this using the GROUP BY keyword in SQL.
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Then, within each group, you need to find the employee with the highest salary. You can do this using the MAX keyword in SQL.
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Finally, you need to order the results by department name. You can do this using the ORDER BY keyword in SQL.
Here's what the final query might look like:
SELECT D.Name as Department, E.Name as Employee, MAX(E.Salary) as Salary
FROM Employees E
JOIN Departments D ON E.DepartmentId = D.Id
GROUP BY D.Name
ORDER BY D.Name;
This query will return a table with the name of each department, the name of the employee with the highest salary in that department, and their respective salary, ordered by department name.
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