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