A easy Data Modeling interview practice problem on DataDriven. Write and execute real data modeling code with instant grading.
- Domain
- Data Modeling
- Difficulty
- easy
- Seniority
- L3
Problem
A seller on our marketplace wants to see their total products listed and total revenue earned per day. Design the data model that supports this view, and choose between a dimensional model or an ER model. Justify your choice. Then write the SQL to produce the report.
Summary
They want a total. Give them the right schema first.
Practice This Problem
Solve this Data Modeling problem with real code execution. DataDriven runs your solution and grades it automatically.