An orders table stores customer name and email in every row
A medium Data Modeling interview practice problem on DataDriven. Write and execute real data modeling code with instant grading.
- Domain
- Data Modeling
- Difficulty
- medium
Problem
An orders table stores customer name and email in every row. Changing a customer's email means updating hundreds of rows. Fix the redundancy.
Practice This Problem
Solve this Data Modeling problem with real code execution. DataDriven runs your solution and grades it automatically.