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[MySQL/PGS] Lv.2 : ๋™๋ช… ๋™๋ฌผ ์ˆ˜ ์ฐพ๊ธฐ

by xxilliant 2026. 4. 3.
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https://school.programmers.co.kr/learn/courses/30/lessons/59041

 

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค

SW๊ฐœ๋ฐœ์ž๋ฅผ ์œ„ํ•œ ํ‰๊ฐ€, ๊ต์œก์˜ Total Solution์„ ์ œ๊ณตํ•˜๋Š” ๊ฐœ๋ฐœ์ž ์„ฑ์žฅ์„ ์œ„ํ•œ ๋ฒ ์ด์Šค์บ ํ”„

programmers.co.kr


 

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ๋ ˆ๋ฒจ 2 mysql

 

๋‚˜์˜ ํ’€์ด

SELECT NAME, COUNT(NAME) AS COUNT
FROM ANIMAL_INS
WHERE NAME IS NOT NULL
GROUP BY NAME
HAVING COUNT > 1
ORDER BY NAME;

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