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SQL문제풀기
[SQL문제풀기] 중복 제거하기
silver
Dec 10, 2024
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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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