์•Œ๊ณ ๋ฆฌ์ฆ˜๐Ÿฅš/๋ฌธ์ œํ’€์ด (MYSQL) 2

[Programmers] ์กฐ๊ฑด์— ๋ถ€ํ•ฉํ•˜๋Š” ์ค‘๊ณ ๊ฑฐ๋ž˜ ์ƒํƒœ ์กฐํšŒํ•˜๊ธฐ (Lv.2) 2023/7/5

๋ฌธ์ œ ์ œ๋ชฉ ์ •๋‹ต๋ฅ  ๋‚œ์ด๋„ ์กฐ๊ฑด์— ๋ถ€ํ•ฉํ•˜๋Š” ์ค‘๊ณ ๊ฑฐ๋ž˜ ์ƒํƒœ ์กฐํšŒํ•˜๊ธฐ 73% Lv.2 ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋“œ ์ค‘์‹ฌ์˜ ๊ฐœ๋ฐœ์ž ์ฑ„์šฉ. ์Šคํƒ ๊ธฐ๋ฐ˜์˜ ํฌ์ง€์…˜ ๋งค์นญ. ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค์˜ ๊ฐœ๋ฐœ์ž ๋งž์ถคํ˜• ํ”„๋กœํ•„์„ ๋“ฑ๋กํ•˜๊ณ , ๋‚˜์™€ ๊ธฐ์ˆ  ๊ถํ•ฉ์ด ์ž˜ ๋งž๋Š” ๊ธฐ์—…๋“ค์„ ๋งค์นญ ๋ฐ›์œผ์„ธ์š”. programmers.co.kr ๋ฌธ์ œ์š”์•ฝ ์กฐํšŒ ๊ฒŒ์‹œ๊ธ€ ID, ์ž‘์„ฑ์ž ID, ๊ฒŒ์‹œ๊ธ€ ์ œ๋ชฉ, ๊ฐ€๊ฒฉ, ๊ฑฐ๋ž˜์ƒํƒœ ์กฐ๊ฑด ์ •๋ฆฌ ๊ฑฐ๋ž˜์ƒํƒœ๊ฐ€ SALE ์ด๋ฉด ํŒ๋งค ์ค‘, RESERVED์ด๋ฉด ์˜ˆ์•ฝ ์ค‘, DONE์ด๋ฉด ๊ฑฐ๋ž˜์™„๋ฃŒ ๋ถ„๋ฅ˜ ๊ฒŒ์‹œ๊ธ€ ID ์ˆœ์„œ๋กœ ๋‚ด๋ฆผ์ฐจ์ˆœ ์ •๋ ฌ ์ฝ”๋“œ ํ’€์ด 1) case ์ปฌ๋Ÿผ๋ช… ์‚ฌ์šฉ select BOARD_ID, WRITER_ID, TITLE, PRICE, case STATUS when 'SALE' then 'ํŒ๋งค์ค‘' when 'RESERVED' then '์˜ˆ์•ฝ์ค‘'..

[Programmers] ๋ฃจ์‹œ์™€ ์—˜๋ผ ์ฐพ๊ธฐ (Lv.2) 2023/6/29

๋ฌธ์ œ ์ œ๋ชฉ ์ •๋‹ต๋ฅ  ๋‚œ์ด๋„ ๋ฃจ์‹œ์™€ ์—˜๋ผ ์ฐพ๊ธฐ 84% Lv.2 ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ์ฝ”๋“œ ์ค‘์‹ฌ์˜ ๊ฐœ๋ฐœ์ž ์ฑ„์šฉ. ์Šคํƒ ๊ธฐ๋ฐ˜์˜ ํฌ์ง€์…˜ ๋งค์นญ. ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค์˜ ๊ฐœ๋ฐœ์ž ๋งž์ถคํ˜• ํ”„๋กœํ•„์„ ๋“ฑ๋กํ•˜๊ณ , ๋‚˜์™€ ๊ธฐ์ˆ  ๊ถํ•ฉ์ด ์ž˜ ๋งž๋Š” ๊ธฐ์—…๋“ค์„ ๋งค์นญ ๋ฐ›์œผ์„ธ์š”. programmers.co.kr ๋ฌธ์ œ์š”์•ฝ ์กฐํšŒ ๋™๋ฌผ์˜ ์•„์ด๋””, ์ด๋ฆ„, ์„ฑ๋ณ„ ๋ฐ ์ค‘์„ฑํ™” ์—ฌ๋ถ€ ์กฐ๊ฑด ์ •๋ฆฌ ์ด๋ฆ„์ด Lucy, Ella, Pickle, Rogan, Savbrina, Mitty ๋™๋ฌผ์˜ ์•„์ด๋”” ์ˆœ์„œ๋กœ ์ •๋ ฌ ์ฝ”๋“œ SELECT ANIMAL_ID, NAME, SEX_UPON_INTAKE FROM ANIMAL_INS WHERE NAME IN ('Lucy', 'Ella', 'Pickle', 'Rogan', 'Sabrina', 'Mitty') ORDER BY ANIMAL_ID; ์ง‘ํ•ฉ ์—ฐ..

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