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Data Aggregation - Exercise
Contest details
Practicing is allowed until: 23:59 1.1.2025
Data Aggregation - Exercise
Contest participants: 0
Practice participants: 3250
Problems
01. Records’ Count
Problem Description
Databases
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