[프로그래머스, 164668] 조건에 맞는 사용자와 총 거래금액 조회하기 (mysql)

https://school.programmers.co.kr/learn/courses/30/lessons/164668

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SELECT user.user_id, user.nickname, SUM(board.price) AS total_sales
FROM used_goods_board as board
INNER JOIN used_goods_user as user
ON board.writer_id = user.user_id
WHERE board.status = 'DONE'
GROUP BY board.writer_id
HAVING SUM(board.price) >= 700000
ORDER BY total_sales;