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[level 3] Title: 없어진 기록 찾기, Time: 0.00 ms, Memory: 0.0 MB -BaekjoonHub
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프로그래머스/3/59042. 없어진 기록 찾기/README.md

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### 제출 일자
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2025년 07월 13일 16:25:30
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2025년 11월 09일 22:42:15
2020

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### 문제 설명
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-- 코드를 입력하세요
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SELECT o.animal_id, o.name
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from animal_outs as o
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left join animal_ins as i
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on o.animal_id = i.animal_id
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where i.animal_id is null
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order by o.animal_id;
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select
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out2.animal_id,
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out2.name
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from animal_outs as out2
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left join animal_ins as in2
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on in2.animal_id = out2.animal_id
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where in2.animal_id is null;

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