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    SQL문제풀기

    [SQL문제풀기] 중복 제거하기

    silver's avatar
    silver
    Dec 10, 2024
    [SQL문제풀기] 중복 제거하기
     

    문제

    school.programmers.co.kr
    https://school.programmers.co.kr/learn/courses/30/lessons/59408
     

    내가 작성한 정답 - MYSQL, OARCLE 동일

    SELECT COUNT(DISTINCT NAME) FROM ANIMAL_INS;
     
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