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๐Ÿ“ ์•Œ๊ณ ๋ฆฌ์ฆ˜/Programmers - SQL

[MySQL/PGS] Lv.3 : ๋Œ€์žฅ๊ท ์˜ ํฌ๊ธฐ์— ๋”ฐ๋ผ ๋ถ„๋ฅ˜ํ•˜๊ธฐ 1

by xxilliant 2025. 5. 7.
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https://school.programmers.co.kr/learn/courses/30/lessons/299307

 

ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค

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

programmers.co.kr


ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ๋ ˆ๋ฒจ 3.

mysql if ํ™œ์šฉ ๋ฌธ์ œ

 

๋‚˜์˜ ํ’€์ด

select ID, if (size_of_colony<=100,'LOW', 
            if (size_of_colony<=1000, 'MEDIUM',
            'HIGH')) as SIZE
from ecoli_data
order by ID;
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