SQLite Subquery - Exercises, Practice, Solution
SQLite Subquery [18 exercises with solution]
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1. Write a query to find the names (first_name, last_name) and salaries of the employees who have a higher salary than the employee whose last_name='Bull'.
Sample table : employees
2. Write a query to find the names (first_name, last_name) of all employees who works in the IT department.
Sample table : employees
3. Write a query to find the names (first_name, last_name) of the employees who have a manager who works for a department based in the United States.
Hint : Write single-row and multiple-row subqueries
Sample table : employees
Sample table : departments
Sample table : locations
4. Write a query to find the names (first_name, last_name) of the employees who are managers.
Sample table : employees
5. Write a query to find the names (first_name, last_name), the salary of the employees whose salary is greater than the average salary.
Sample table : employees
6. Write a query to find the names (first_name, last_name), the salary of the employees whose salary is equal to the minimum salary for their job grade.
Sample table : employees
Sample table: jobs
7. Write a query to find the names (first_name, last_name), the salary of the employees who earn more than the average salary and who works in any of the IT departments.
Sample table : employees
Sample table : departments
8. Write a query to find the names (first_name, last_name), the salary of the employees who earn more than Mr. Bell.
Sample table : employees
Sample table : departments
9. Write a query to find the names (first_name, last_name), the salary of the employees who earn the same salary as the minimum salary for all departments.
Sample table : employees
Sample table : departments
10. Write a query to find the names (first_name, last_name) of the employees who are not supervisors.
Sample table : employees
11. Write a query to display the employee ID, first name, last names, salary of all employees whose salary is above average for their departments.
Sample table : employees
Sample table : departments
12. Write a query to find the 5th maximum salary in the employees table.
Sample table : employees
13. Write a query to find the 4th minimum salary in the employees table.
Sample table : employees
14. Write a query to select last 10 records from a table.
Sample table : employees
15. Write a query to list department number, name for all the departments in which there are no employees in the department.
Sample table : employees
Sample table : departments
16. Write a query to get 3 maximum salaries.
Sample table : employees
17. Write a query to get 3 minimum salaries.
Sample table : employees
18. Write a query to get nth max salaries of employees.
Sample table : employees
...More
The structure of 'hr' database :
