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SQL문제풀기
[SQL문제풀기]잔챙이 잡은 수 구하기
프로그래머스 SQL 고득점 kit
송송승현
Dec 16, 2024
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문제
나의 해답
문제
school.programmers.co.kr
https://school.programmers.co.kr/learn/courses/30/lessons/293258
나의 해답
select
count
(id)
as
FISH_COUNT
from
FISH_INFO
where
LENGTH
IS
NULL
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