Solvesql Solution

- SQL

Author: SubAkBa

Solvesql/Solutions/daily-arppu.sql

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+-- @ss.idx: 7
+-- @ss.level: 3
+-- @ss.title: 쇼핑몰의 일일 매출액과 ARPPU
+-- @ss.slug: daily-arppu
+-- @ss.category: JOIN/UNION
+-- @ss.note:
+
+SELECT DATE_FORMAT(o.order_purchase_timestamp, '%Y-%m-%d') AS dt
+     , COUNT(DISTINCT customer_id) AS pu
+     , ROUND(SUM(p.payment_value), 2) AS revenue_daily
+     , ROUND(SUM(p.payment_value) / COUNT(DISTINCT customer_id), 2) AS arppu
+FROM olist_orders_dataset o
+JOIN olist_order_payments_dataset p ON o.order_id = p.order_id
+WHERE DATE_FORMAT(o.order_purchase_timestamp, '%Y-%m-%d') >= '2018-01-01'
+GROUP BY dt
+ORDER BY dt;

Solvesql/Solutions/shoppingmall-monthly-summary.sql

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+-- @ss.idx: 8
+-- @ss.level: 3
+-- @ss.title: 온라인 쇼핑몰의 월 별 매출액 집계
+-- @ss.slug: shoppingmall-monthly-summary
+-- @ss.category: JOIN/UNION
+-- @ss.note: union all
+
+SELECT order_month
+     , SUM(IF(temp.is_canceled = 0, amount, 0)) AS ordered_amount
+     , SUM(IF(temp.is_canceled = 1, amount, 0)) AS canceled_amount
+     , SUM(IF(temp.is_canceled = 0, amount, 0)) + SUM(IF(temp.is_canceled = 1, amount, 0)) AS total_amount
+FROM (
+    SELECT DATE_FORMAT(o.order_date, '%Y-%m') AS order_month
+         , IF(o.order_id LIKE 'C%', 1, 0) is_canceled
+         , oi.price * oi.quantity AS amount
+      FROM orders o
+      JOIN order_items oi ON o.order_id = oi.order_id
+) AS temp
+GROUP BY temp.order_month
+ORDER BY temp.order_month;