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Feature Name Intersection
A hard SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.
- Domain
- SQL
- Difficulty
- hard
- Seniority
- mid
Problem
The ML feature store pulls feature names from two sources: 'ad_impressions' and 'search_queries'. Find which feature names appear in both sources.
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.