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First and Last Timeout Per Service

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

Surface the first and last times each service experienced a connection timeout. Only look at error messages that mention 'timed out', and results should be ordered by service name.

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.