๊ฒฝ๊ธฐ๋์ ์์นํ ์ํ์ฐฝ๊ณ ๋ชฉ๋ก ์ถ๋ ฅํ๊ธฐ https://school.programmers.co.kr/learn/courses/30/lessons/131114FOOD_WAREHOUSE ํ
์ด๋ธ์์ ๊ฒฝ๊ธฐ๋์ ์์นํ ์ฐฝ๊ณ ์ ID, ์ด๋ฆ, ์ฃผ์, ๋๋์์ค ์ฌ๋ถ๋ฅผ ์กฐํํ๋ SQL๋ฌธ์ ์์ฑํด์ฃผ์ธ์. ์ด๋ ๋๋์์ค ์ฌ๋ถ๊ฐ NULL์ธ ๊ฒฝ์ฐ, 'N'์ผ๋ก ์ถ๋ ฅ์์ผ ์ฃผ์๊ณ ๊ฒฐ๊ณผ๋ ์ฐฝ๊ณ ID๋ฅผ ๊ธฐ์ค์ผ๋ก ์ค๋ฆ์ฐจ์ ์ ๋ ฌํด์ฃผ์ธ์.SELECT WAREHOUSE_ID, WAREHOUSE_NAME, ADDRESS, CASE WHEN FREEZER_YN IS NULL THEN 'N' ELSE FREEZER_YN END AS FREEZER_YNFROM FOOD_WAREH..
๐ฏ์๊ณ ๋ฆฌ์ฆ/SQL
๊ฐ๊ฒฉ์ด ์ ์ผ ๋น์ผ ์ํ์ ์ ๋ณด ์ถ๋ ฅํ๊ธฐhttps://school.programmers.co.kr/learn/courses/30/lessons/131115FOOD_PRODUCT ํ
์ด๋ธ์์ ๊ฐ๊ฒฉ์ด ์ ์ผ ๋น์ผ ์ํ์ ์ํ ID, ์ํ ์ด๋ฆ, ์ํ ์ฝ๋, ์ํ๋ถ๋ฅ, ์ํ ๊ฐ๊ฒฉ์ ์กฐํํ๋ SQL๋ฌธ์ ์์ฑํด์ฃผ์ธ์.1์select PRODUCT_ID, PRODUCT_NAME, PRODUCT_CD, CATEGORY, PRICEfrom food_productorder by price desclimit 12์SELECT PRODUCT_ID, PRODUCT_NAME, PRODUCT_CD, CATEGORY, PRICEFROM food_productWHERE PRICE = (SELECT MAX(PRICE) FROM food_p..