DataDriven
LearnPracticeInterviewDiscussDailyJobs

Design a one-to-many relationship: each department has many employees, but each employee belongs to

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

Design a one-to-many relationship: each department has many employees, but each employee belongs to one department. Create the two tables with proper foreign key.

How This Interview Works

  1. Read the vague prompt (just like a real interview)
  2. Ask clarifying questions to the AI interviewer
  3. Write your data modeling solution with real code execution
  4. Get instant feedback and a hire/no-hire decision

Related

  • All Mock Interviews
  • Practice Mode (untimed)
  • Data Modeling Interview Questions
  • Data Engineering Interview Prep Guide
  • Practice Problems
  • Daily Challenge