Deploy Velocity Swings

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
L5

Interview Prompt

After a release retro, the manager wants month-over-month deployment velocity per service. For each service and month, give the deployment count, the prior month's count, and the percentage change between them.

Summary

Month to month, who sped up and who stalled.

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