Still Climbing

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
L4

Interview Prompt

Health-check volume in `svc_health` jumped from February into March 2026, and the SRE team wants to see how each service's checks split across those two months. Report each service's March share of its checks over the two months as a percentage.

Summary

Which services kept gaining month over month?

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