# Design an events table for an event-driven architecture

Canonical URL: <https://datadriven.io/problems/design-an-events-table-for-an-event-driven-architecture-eac-413631d9>

Domain: Data Modeling · Difficulty: medium

## Problem

Design an events table for an event-driven architecture. Each event has a type, payload, timestamp, and source. Events are immutable once written. Include an ordering sequence number.

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