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    SQL문제풀기

    [SQL문제풀기] 잔챙이 잡은 수 구하기

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    silver
    May 17, 2025
    [SQL문제풀기] 잔챙이 잡은 수 구하기
    Contents
    문제MYSQL

    문제

    school.programmers.co.kr
    https://school.programmers.co.kr/learn/courses/30/lessons/293258

    MYSQL

    내가 작성한 정답

    select count(*) FISH_COUNT
from FISH_INFO
where LENGTH is null;
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