# The event_data table has a JSON payload column

Canonical URL: <https://datadriven.io/problems/the-eventdata-table-has-a-json-payload-column-for-purchase-377374d1>

Domain: SQL · Difficulty: medium

## Problem

The event_data table has a JSON payload column. For purchase events (event_type = 'purchase'), the payload holds a numeric amount. Return event_id and the amount extracted from the payload, ordered by event_id.

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