An order_items table has (order_id, product_id, product_name, quantity)
A medium Data Modeling mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- Data Modeling
- Difficulty
- medium
Interview Prompt
An order_items table has (order_id, product_id, product_name, quantity). The product_name depends only on product_id, not the full composite key. Extract products into a separate table to achieve 2NF.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write your data modeling solution with real code execution
- Get instant feedback and a hire/no-hire decision