Service Reliability Tiers

A medium SQL mock interview question on DataDriven, with an AI interviewer who asks follow-up questions and a hire or no-hire decision at the end.

Domain
SQL
Difficulty
medium
Seniority
L4

Interview Prompt

Services fall into reliability tiers by their uptime: Platinum, Gold, Silver and Bronze, from best to worst. Report each tier's minimum, average, and maximum latency, with the most latent tier first.

Summary

Reliability tiers. Based on uptime.

How This Interview Works

  1. Read the vague prompt (just like a real interview)
  2. Ask clarifying questions to the AI interviewer
  3. Write and run your SQL against a real database
  4. Answer the interviewer's follow-up questions, then get a hire or no-hire decision