The Heavy Lifters
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
A merchandising team treats any order of three or more units as a bulk order and wants to find the categories that lean on them. Return the categories where bulk orders account for more than half of total revenue, giving just the category name.
Summary
In some categories, a handful of big orders carry the rest.
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