Top Earner Per Campaign
A medium SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.
- Domain
- SQL
- Difficulty
- medium
- Seniority
- L4
Problem
For each campaign, show the top-earning user and their total revenue. If there's a tie, show all tied users.
Summary
The top-earning user per campaign.
Practice This Problem
Solve this SQL problem with real code execution. DataDriven runs your SQL queries against a real database and grades it automatically.