DataDrivenDataDriven
LearnPracticeInterviewDailyJobsCommunity

Thirty Days of Shipping

A easy SQL mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.

Domain
SQL
Difficulty
easy
Seniority
L3

Interview Prompt

We keep a deploy log where a single deployment is one service running a specific version. Break the log down by month and give the number of unique deployments in each.

Summary

A month in the life of an engineering team, counted one deploy at a time.

How This Interview Works

  1. Read the vague prompt (just like a real interview)
  2. Ask clarifying questions to the AI interviewer
  3. Write your sql solution with real code execution
  4. Get instant feedback and a hire/no-hire decision

Related

  • All Mock Interviews
  • Practice Mode (untimed)
  • SQL Interview Questions
  • Data Engineering Interview Prep Guide
  • Practice Problems
  • Daily Challenge