Deep Pockets

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

Domain

SQL

Difficulty

medium

Seniority

L3

Problem

We're closing the books for March 2026 and need a spend breakdown by customer. Total each customer's transactions for the month, biggest spenders first.

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.