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Deploy Reliability Scores
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
Each deploy has an author and a service; matching deploys to health checks on service name gives a latency score. Compute the average score per author, ranked from highest to lowest. Show each author and their average score.
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.