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Heavy Ad Exposure
A medium SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.
- Domain
- SQL
- Difficulty
- medium
- Seniority
- senior
Problem
A user qualifies as heavy ad exposure if they have 3 or more impressions from a single campaign, or if they have 5 or more total impressions spread across at least 2 different campaigns. Return the qualifying user IDs.
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.