MySQL JOINS - Exercises, Practice, Solution
MySQL Joins [13 exercises with solution]
1. Write a query to find the addresses (location_id, street_address, city, state_province, country_name) of all the departments. Go to the editor
Hint : Use NATURAL JOIN.
Sample table: locations
Sample table: countries
2. Write a query to find the name (first_name, last name), department ID and name of all the employees. Go to the editor
Sample table: employees
Sample table: departments
3. Write a query to find the name (first_name, last_name), job, department ID and name of the employees who works in London. Go to the editor
Sample table: departments
Sample table: locations
4. Write a query to find the employee id, name (last_name) along with their manager_id and name (last_name). Go to the editor
Sample table: employees
5. Write a query to find the name (first_name, last_name) and hire date of the employees who was hired after 'Jones'. Go to the editor
Sample table: employees
6. Write a query to get the department name and number of employees in the department. Go to the editor
Sample table: employees
Sample table: departments
7. Write a query to find the employee ID, job title, number of days between ending date and starting date for all jobs in department 90. Go to the editor
Sample table: employees
8. Write a query to display the department ID and name and first name of manager. Go to the editor
Sample table: employees
Sample table: departments
9. Write a query to display the department name, manager name, and city. Go to the editor
Sample table: employees
Sample table: departments
Sample table: locations
10. Write a query to display the job title and average salary of employees. Go to the editor
Sample table: employees
11. Write a query to display job title, employee name, and the difference between salary of the employee and minimum salary for the job. Go to the editor
Sample table: employees
12. Write a query to display the job history that were done by any employee who is currently drawing more than 10000 of salary. Go to the editor
Sample table: employees
Sample table: Job_history
13. Write a query to display department name, name (first_name, last_name), hire date, salary of the manager for all managers whose experience is more than 15 years. Go to the editor
Sample table: employees
Sample table: departments
Structure of 'hr' database:
More to Come !
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.
What is the difficulty level of this exercise?
- 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