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SQL) ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค SQL ๊ณ ๋“์  Kit - Select

์ตœ๊ทผ์— ์ฝ”๋”ฉํ…Œ์ŠคํŠธ ๋ณด๋Ÿฌ๊ฐ”๋Š”๋”” SQL ๋ฌธ์ œ๋„ 1๋ฌธ์ œ ๋‚˜์™€์„œ ํ”„๋กœ๊ทธ๋ž˜๋จธ์Šค ๊ณ ๋“์  KIT ๋ฌธ์ œ๋“ค์„ ํ•œ๋ฒˆ ๋‹ค ํ’€๊ณ  ๊ฐ”๋‹ค. ์ƒ๊ฐ๋ณด๋‹ค ๊ทธ๋ ‡๊ฒŒ ์–ด๋ ค์šด ๋ฌธ์ œ๋Š” ์—†์—ˆ๋˜ ๊ฒƒ ๊ฐ™๋‹ค ! ์‹ค์ œ ์ฝ”ํ…Œ์—์„œ๋„ SELECT, WHERE , LIKE, ORDER BY ์จ์„œ ํฌํ•จ๋˜๋Š” ๋ฌธ์ž์—ด๋กœ ์กฐ๊ฑด ๊ฒ€์‚ฌํ•˜๊ณ  ์ •๋ ฌํ•ด์„œ ์กฐํšŒ. ์ •๋„๊ฐ€ ๋์ด์—ˆ๋‹ค ! 1. ๋ชจ๋“  ๋ ˆ์ฝ”๋“œ ์กฐํšŒํ•˜๊ธฐ SELECT * FROM ANIMAL_INS ORDER BY ANIMAL_ID 2. ์—ญ์ˆœ ์ •๋ ฌํ•˜๊ธฐ ๋™๋ฌผ ๋ณดํ˜ธ์†Œ์— ๋“ค์–ด์˜จ ๋ชจ๋“  ๋™๋ฌผ์˜ ์ด๋ฆ„๊ณผ ๋ณดํ˜ธ ์‹œ์ž‘์ผ์„ ์กฐํšŒํ•˜๋Š” SQL๋ฌธ์„ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ๊ฒฐ๊ณผ๋Š” ANIMAL_ID ์—ญ์ˆœ์œผ๋กœ ๋ณด์—ฌ์ฃผ์„ธ์š”. SELECT NAME, DATETIME FROM ANIMAL_INS ORDER BY ANIMAL_ID DESC 3. ์•„ํ”ˆ ๋™๋ฌผ ์ฐพ๊ธฐ ๋™๋ฌผ ๋ณดํ˜ธ..

Algorithm/CodingTest - SQL 2022. 4. 15. 03:14