[프로그래머스] 조건에 맞는 사용자와 총 거래금액 조회하기 (Oracle)

문제

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

프로그래머스

 

SELECT USER_ID, NICKNAME, SUM(PRICE) AS TOTAL_SALES
FROM USED_GOODS_BOARD B, USED_GOODS_USER U
WHERE B.WRITER_ID = U.USER_ID
AND STATUS = 'DONE'
GROUP BY USER_ID, NICKNAME
HAVING SUM(PRICE) >= 700000
ORDER BY TOTAL_SALES