day25

K_ule/2023.04.05-L4-3

@@ -0,0 +1,22 @@
+1번 : 그룹별 조건에 맞는 식당 목록 출력하기
+SELECT MEMBER_NAME,REVIEW_TEXT,DATE_FORMAT(REVIEW_DATE, '%Y-%m-%d') AS REVIEW_DATE
+FROM MEMBER_PROFILE MP
+INNER JOIN REST_REVIEW RR 
+ON MP.MEMBER_ID=RR.MEMBER_ID
+WHERE MP.MEMBER_ID = (
+    SELECT MEMBER_ID
+    FROM REST_REVIEW
+    GROUP BY MEMBER_ID
+    order by count(MEMBER_ID) desc
+    limit 1
+)
+ORDER BY REVIEW_DATE, REVIEW_TEXT
+2번 : 년, 월, 성별 별 상품 구매 회원 수 구하기
+SELECT YEAR(SALES_DATE) AS YEAR,MONTH(SALES_DATE) AS MONTH,GENDER ,COUNT(DISTINCT OS.USER_ID) AS USERS
+FROM USER_INFO UI
+INNER JOIN ONLINE_SALE OS
+ON UI.USER_ID=OS.USER_ID
+WHERE GENDER IS NOT NULL
+GROUP BY MONTH,GENDER
+ORDER BY YEAR,MONTH,GENDER
+