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[MySQL/PGS] Lv.2 : ๊ณ ์–‘์ด์™€ ๊ฐœ๋Š” ๋ช‡ ๋งˆ๋ฆฌ ์žˆ์„๊นŒ

by xxilliant 2025. 6. 30.
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https://school.programmers.co.kr/learn/courses/30/lessons/59040

 

ํ”„๋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

group by ์‘์šฉ ๋ฌธ์ œ

๊ณ ์–‘์ด๋ฅผ ๊ฐœ๋ณด๋‹ค ๋จผ์ € ์กฐํšŒํ•˜๋ผ๊ณ  ํ•˜๋ฏ€๋กœ, animal type์œผ๋กœ order by๋ฅผ ์ ์šฉํ•ด์ฃผ์—ˆ๋‹ค!

 

๋‚˜์˜ ํ’€์ด

select ANIMAL_TYPE, count(*) as count
from ANIMAL_INS
group by ANIMAL_TYPE
order by ANIMAL_TYPE;

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