Monthly Signup Counts
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
A downstream forecasting model requires monthly signup counts as floating-point values, but the dashboard also needs the raw integer. For each month (YYYY-MM format), show the signup count in both forms.
Summary
Signups, month by month.
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