Spending Range
A hard SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.
- Domain
- SQL
- Difficulty
- hard
- Seniority
- L5
Problem
Data science is modeling per-user spending variability and needs the minimum and maximum transaction amount for each user who has more than one transaction. Show the username, min amount, max amount, and the range, sorted from widest range to narrowest.
Summary
Between the smallest purchase and the biggest lies the story.
Practice This Problem
Solve this SQL problem with real code execution. DataDriven runs your SQL queries against a real database and grades it automatically.