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    SQL문제풀기

    [SQL문제풀기] 대장균의 크기에 따라 분류하기 2

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    silver
    May 24, 2025
    [SQL문제풀기] 대장균의 크기에 따라 분류하기 2
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    문제MYSQL

    문제

    school.programmers.co.kr
    https://school.programmers.co.kr/learn/courses/30/lessons/301649

    MYSQL

    내가 작성한 정답

    select id, case when pr <= 0.25 then 'CRITICAL' when pr <= 0.5 then 'HIGH' when pr <= 0.75 then 'MEDIUM' else 'LOW' end COLONY_NAME from (select id, percent_rank() over(order by SIZE_OF_COLONY desc) pr from ECOLI_DATA) o order by 1;
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