Closing the Books
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
Finance is closing April 2026 and needs one revenue figure for the month. A transaction's revenue is its `quantity` times the `total_amount` line total, so roll that up into a single number.
Summary
April is done. Finance wants the number, and it isn't the one printed on the invoice line.
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