Even the Silent Ones

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

Domain

SQL

Difficulty

medium

Seniority

L5

Problem

We're building a single per-user report that pairs how often each account shows up with how much it has spent. Every user belongs on it, including the ones that never started a session or never made a purchase.

Summary

The quietest accounts still belong in the numbers.

Practice This Problem

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