Users Who Clicked Ads

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

Domain

SQL

Difficulty

easy

Seniority

L3

Problem

The ad retargeting pipeline needs a seed list of users who have clicked at least one ad. Return their user IDs.

Summary

Ad clickers and their account details.

Practice This Problem

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