Beyond the Signup
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 product org tracks engagement trends month over month. Over the last 6 months, show the number of unique active users and the average session duration for each month, in chronological order.
Summary
Anyone can create an account. Fewer actually return.
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