解答
142
SQL文(クエリ)
WITH master AS (
SELECT
user_id
, SUM(revenue) AS sum_rev
FROM
sample.sales
GROUP BY
user_id
)
SELECT
gender
, is_premium
, SUM(sum_rev) AS sum_rev
FROM
master
LEFT JOIN sample.customers
USING
(user_id)
WHERE
prefecture = "東京"
GROUP BY
gender
, is_premium
ORDER BY
gender
, is_premium DESC



