Loading...
Attributable Impression Rate
A medium SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.
- Domain
- SQL
- Difficulty
- medium
- Seniority
- junior, mid
Problem
The attribution team is measuring data completeness in the ad pipeline. What percentage of all ad impressions can be tied back to a known user account? Impressions whose user cannot be found in the user records should still count toward the total but not as attributable. Return a single percentage.
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.