Design an append-only order event log

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

Design an append-only order event log. Each action on an order (created, paid, shipped, delivered) is a new immutable row. Include the order_id, event_type, event_data, and occurred_at timestamp.

Practice This Problem

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