# Put it together: for purchase events, extract the currency and the amount from the payload, keep onl

Canonical URL: <https://datadriven.io/problems/put-it-together-for-purchase-events-extract-the-currency-a-6c5a1934>

Domain: SQL · Difficulty: medium

## Problem

Put it together: for purchase events, extract the currency and the amount from the payload, keep only purchases with amount >= 100, then return each currency with the count of such purchases. Columns: currency, big_purchase_count. Order by big_purchase_count descending then currency ascending.

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