Show each user with their clicked ad campaigns using LEFT JOIN, ordered by username and campaign

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

Domain

SQL

Difficulty

medium

Problem

Show each user with their clicked ad campaigns using LEFT JOIN, ordered by username and campaign

Practice This Problem

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