New Services With Poor Health

A hard SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.

Domain

SQL

Difficulty

hard

Seniority

L4

Problem

Find services whose earliest health check falls in Q1 2026 and where more than 20% of their checks have a non-healthy status (case-insensitive). Return the service name and the failure ratio.

Summary

New services, already struggling.

Practice This Problem

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