Deploy Outcomes by Service

A hard 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
hard
Seniority
L4

Interview Prompt

The release engineering team wants a deployment scorecard per service. Produce one row for each service with its number of successful, failed, and rolled-back deployments as three separate columns.

Summary

Success, failure, rollback - side by side.

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