Authors Deploying to Dev and Production
A medium SQL mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- SQL
- Difficulty
- medium
- Seniority
- L4
Interview Prompt
The release engineering team wants to identify authors who ship to both the dev and production environments (case-insensitive match). Show each qualifying author and how many of those two environments they have deployed to, listed alphabetically.
Summary
Dev, staging, production. Who has touched all three?
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write your sql solution with real code execution
- Get instant feedback and a hire/no-hire decision