MySQL Aggregate Functions and Group by- Exercises, Practice, Solution
Aggregate Functions and Group by [14 exercises with solution]
1. Write a query to list the number of jobs available in the employees table. Go to the editor
Sample table: employees
2. Write a query to get the total salaries payable to employees. Go to the editor
Sample table: employees
3. Write a query to get the minimum salary from employees table. Go to the editor
Sample table: employees
4. Write a query to get the maximum salary of an employee working as a Programmer. Go to the editor
Sample table: employees
5. Write a query to get the average salary and number of employees working the department 90. Go to the editor
Sample table: employees
6. Write a query to get the highest, lowest, sum, and average salary of all employees. Go to the editor
Sample table: employees
7. Write a query to get the number of employees with the same job. Go to the editor
Sample table: employees
8. Write a query to get the difference between the highest and lowest salaries. Go to the editor
Sample table: employees
9. Write a query to find the manager ID and the salary of the lowest-paid employee for that manager. Go to the editor
Sample table: employees
10. Write a query to get the department ID and the total salary payable in each department. Go to the editor
Sample table: employees
11. Write a query to get the average salary for each job ID excluding programmer. Go to the editor
Sample table: employees
12. Write a query to get the total salary, maximum, minimum, average salary of employees (job ID wise), for department ID 90 only. Go to the editor
Sample table: employees
13. Write a query to get the job ID and maximum salary of the employees where maximum salary is greater than or equal to $4000. Go to the editor
Sample table: employees
14. Write a query to get the average salary for all departments employing more than 10 employees. Go to the editor
Sample table: employees
More to Come !
Structure of 'hr' database:
MySQL Code Editor:
Do not submit any solution of the above exercises at here, if you want to contribute go to the appropriate exercise page.
- New Content published on w3resource:
- HTML-CSS Practical: Exercises, Practice, Solution
- Java Regular Expression: Exercises, Practice, Solution
- Scala Programming Exercises, Practice, Solution
- Python Itertools exercises
- Python Numpy exercises
- Python GeoPy Package exercises
- Python Pandas exercises
- Python nltk exercises
- Python BeautifulSoup exercises
- Form Template
- Composer - PHP Package Manager
- PHPUnit - PHP Testing
- Laravel - PHP Framework
- Angular - JavaScript Framework
- Vue - JavaScript Framework
- Jest - JavaScript Testing Framework