Peak Ad Revenue Moment

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

Domain

SQL

Difficulty

easy

Seniority

junior

Problem

The ad ops team is investigating a revenue outlier. Find the single highest-revenue ad impression and show when it occurred alongside the revenue amount.

Practice This Problem

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