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Holiday Sale Campaign Revenue
A easy SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.
- Domain
- SQL
- Difficulty
- easy
- Seniority
- junior, mid
Problem
Surface every impression from the holiday sale campaign along with the associated user and their revenue. Include impressions even if the user has no revenue recorded. Return all available fields for each row.
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.