Who Moved the Needle

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

Domain

SQL

Difficulty

medium

Seniority

L4

Problem

We're compiling a leaderboard for the onboarding_v3 experiment, where a user's standing is the total metric value they drove. Return the users in the top ten standings, biggest first, along with the variant each was assigned.

Summary

In every experiment, a handful of users carry the result. Find them.

Practice This Problem

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