The Heaviest Hitters

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

Domain

SQL

Difficulty

easy

Seniority

L3

Problem

The ad ops team is auditing which impressions pulled in the most money. Surface the three highest-revenue impressions, each with when it occurred and the revenue it earned, biggest earner first.

Summary

A handful of impressions earn more than the rest combined. Bring them to the top.

Practice This Problem

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