알고리즘
[SQL]LeetCode sales analysis III
✅ 코드 SELECT product_id , product_name FROM Product WHERE product_id NOT IN ( SELECT product_id FROM Sales WHERE sale_date NOT BETWEEN '2019-01-01 00:00:00' AND '2019-03-31 23:59:59' ) AND product_id IN (SELECT DISTINCT product_id FROM Sales) 첫 번째 풀이입니다. 다중행 서브쿼리를 사용한 풀이입니다. WHERE문에 조건을 2개 설정했는데 다소 복잡해보이는 감이 있습니다. SELECT P.product_id AS product_id , P.product_name as product_name FROM Product AS ..
