Who Comes Early
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 record each user's signup date and want to compare the year-opening intake from one year to the next. Count the users who signed up between January and July, earliest year first.
Summary
Every year opens with a wave of new names. See how the first seven months compare.
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