Ad Clickers

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

Domain

SQL

Difficulty

easy

Problem

The monetization team is reviewing ad performance for the quarter. They want every user who clicked on at least one ad, along with the total revenue those clicks generated. Show each user's username and total click revenue, listed from the highest revenue contributor down.

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.