Finding Departmental Average
Lets calculate the average salary from each department.
Query:
SELECT department, avg(salary) as average_salary
from w3wiki
GROUP BY department;
Output:
Explanation : We can clearly observe that average salaries are displayed with their corresponding department name. We can see that ‘IT’ department has average salary of 43000 and ‘HR’ department has 31666. This will also help us in verifying our data once we execute our nest query.
SQL Query to find Employees With Higher Salary than Their Department Average ?
Analyzing and understanding salary distributions within departments is a critical aspect of human resource management. In this article, we will explore SQL queries to calculate the average salary for each department and identify employees whose salaries exceed their departmental averages.
These queries provide valuable insights for performance evaluations and salary adjustment strategies. We will demonstrate two methods: one without using the JOIN() method and another using JOIN() for a comprehensive understanding. Let’s understand the practical examples to enhance your SQL skills and analytical capabilities in database management.