A products table copies category name into 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

A products table copies category name into every row. If a category name changes, thousands of rows need updating. Eliminate the duplication.

Practice This Problem

Solve this Data Modeling problem with real code execution. DataDriven runs your solution and grades it automatically.