A medium SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.

Domain

SQL

Difficulty

medium

Problem

Finance is breaking down March 2025 revenue by customer. For every user with at least one transaction in that month, show the user ID and the total they spent. Sort from biggest spender to smallest, with the user ID as the tiebreaker.

Summary

One month, every customer, every dollar accounted for.

Practice This Problem

Solve this SQL problem with real code execution. DataDriven runs your SQL queries against a real database and grades it automatically.