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

L5

Problem

We run a chain of fitness studios. Members book classes online and check in when they arrive. We need a database to manage memberships, class schedules, and attendance. Can you design the tables?

Summary

Classes fill up. Members no-show. Billing continues.

Practice This Problem

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