Your company needs to track customers across multiple source systems (CRM, website, mobile app)

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

Your company needs to track customers across multiple source systems (CRM, website, mobile app). Design a Data Vault hub to store the business key and enable tracking across sources.

Practice This Problem

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