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Fastest Regions by Latency

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 API performance team wants to highlight the fastest endpoints. Find the top 3 endpoints with the lowest average latency, including all ties at the third position. Return the endpoint and its average latency.

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.