Subqueries and JOINs - Exercise

Contest details

Subqueries and JOINs - Exercise
Allowed languages: | SQL Server prepare DB & run queries | MySQL prepare DB & run queries |
Contest participants: 208
Practice participants: 254

Problems

01. Employee Address

02. Addresses with Towns

03. Sales Employee

04. Employee Departments

05. Employees Without Project

06. Employees Hired After

07. Employees with Project

08. Employee 24

09. Employee Manager

10. Employee Summary

11. Min Average Salary

12. Highest Peaks in Bulgaria

13. Count Mountain Ranges

14. Countries with Rivers

15. *Continents and Currencies

16. Countries without any Mountains

17. Highest Peak and Longest River by Country


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