Data Aggregation - Exercise

Contest details

Data Aggregation - Exercise
Allowed languages: | SQL Server prepare DB & run queries | MySQL prepare DB & run queries |
Contest participants: 255
Practice participants: 1241

Problems

01. Records’ Count

Problem Description

Databses

02. Longest Magic Wand

03. Longest Magic Wand per Deposit Groups

04. Smallest Deposit Group per Magic Wand Size

05. Deposits Sum

06. Deposits Sum for Ollivander Family

07. Deposits Filter

08. Deposit Charge

09. Age Groups

10. First Letter

11. Average Interest

12. Employees Minimum Salaries

13. Employees Average Salaries

14. Employees Maximum Salaries

15. Employees Count Salaries

16. 3rd Highest Salary

17. Salary Challenge

18. Departments Total Salaries


Cookies help us deliver our services. By using our services, you agree to our use of cookies. OK