Indices and Data Aggregation - Exercises

Contest details

The contest is active until: 00:00 30.6.2025

Problems for exercises and homework for the "Databases and SQL" course from the official "Applied Programmer" curriculum.

Allowed languages: | SQL Server prepare DB & run queries |

Contest participants: 22

Practice participants: 82

Problems

Records’ Count

Longest Magic Wand

Longest Magic Wand per Deposit Groups

Smallest Deposit Group per Magic Wand Size

Deposits Sum

Deposits Sum for Ollivander Family

Deposits Filter

Deposit Charge

Age Groups

First Letter

Average Interest

Rich Wizard, Poor Wizard

Departments Total Salaries

Employees Minimum Salaries

Employees Average Salaries

Employees Maximum Salaries

Employees Count Salaries

3rd Highest Salary

Salary Challenge

Compete

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