# Design a late-arriving data handling system

Canonical URL: <https://datadriven.io/problems/design-a-late-arriving-data-handling-system-create-a-rawev-4e7ff99d>

Domain: Data Modeling · Difficulty: medium

## Problem

Design a late-arriving data handling system. Create a raw_events table for incoming data and a processed_events table that includes processing metadata like processed_at and arrival_delay_seconds.

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