Average Node CPU by Region

An easy 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
easy
Seniority
L3

Interview Prompt

Capacity planning is sizing up where to add hardware and only cares about the nodes that are actually running our critical services. Report the average CPU utilization per region across the nodes that have hosted one of those critical-service pods.

Summary

Average infrastructure node CPU usage broken down by region

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