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프로그래머스/3/293261. 물고기 종류 별 대어 찾기 Expand file tree Collapse file tree 2 files changed +15
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lines changed Original file line number Diff line number Diff line change 11# [ level 3] 물고기 종류 별 대어 찾기 - 293261
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3- [ 문제 링크] ( https://school.programmers.co.kr/learn/courses/30/lessons/293261 )
3+ [ 문제 링크] ( https://school.programmers.co.kr/learn/courses/30/lessons/293261#qna )
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55### 성능 요약
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1717### 제출 일자
1818
19- 2025년 04월 02일 12:11:09
19+ 2025년 07월 29일 22:46:33
2020
2121### 문제 설명
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Original file line number Diff line number Diff line change 1- -- 코드를 작성해주세요
2- select i .ID , n .FISH_NAME , i .LENGTH
3- from FISH_NAME_INFO n
4- INNER join FISH_INFO i on n .FISH_TYPE = i .FISH_TYPE
5- where (i .LENGTH , i .FISH_TYPE ) in (
6- select MAX (LENGTH), FISH_TYPE
7- from FISH_INFO
8- group by FISH_TYPE
9- )
10- order by i .id
1+ SELECT I .ID , N .FISH_NAME , I .LENGTH
2+ FROM FISH_INFO I
3+ JOIN FISH_NAME_INFO N
4+ # ON I.FISH_TYPE = N.FISH_TYPE
5+ JOIN (
6+ SELECT FISH_TYPE, MAX (LENGTH) LENGTH
7+ FROM FISH_INFO
8+ WHERE LENGTH IS NOT NULL
9+ GROUP BY FISH_TYPE
10+ ) M
11+ ON I .FISH_TYPE = N .FISH_TYPE AND I .FISH_TYPE = M .FISH_TYPE
12+ WHERE I .LENGTH = M .LENGTH
13+ ORDER BY I .ID ;
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