Day15

K_ule/2023.03.06-L2-4

@@ -0,0 +1,17 @@
+1번 : 입양 시각 구하기(1)
+SELECT  DATE_FORMAT(DATETIME,'%H') AS HOUR, 
+    COUNT(*) AS COUNT
+FROM ANIMAL_OUTS
+WHERE HOUR(DATETIME) BETWEEN '09:00' AND '19:59'
+GROUP BY  HOUR
+ORDER BY HOUR
+
+2번 : DATETIME에서 DATE로 형 변환
+SELECT ANIMAL_ID,NAME,DATE_FORMAT(DATETIME,"%Y-%m-%d") AS 날짜
+FROM ANIMAL_INS 
+ORDER BY ANIMAL_ID
+
+3번 : 가격이 제일 비싼 식품의 정보 출력하기
+SELECT *
+from FOOD_PRODUCT
+ORDER BY PRICE DESC LIMIT 1

K_ule/2023.03.07-L2-5

@@ -0,0 +1,18 @@
+1번 : 3월에 태어난 여성 회원 목록 출력하기
+SELECT MEMBER_ID,MEMBER_NAME,GENDER,DATE_FORMAT(DATE_OF_BIRTH,"%Y-%m-%d") as DATE_OF_BIRTH
+from MEMBER_PROFILE
+where GENDER ='w' and month(DATE_OF_BIRTH)= 03 and TLNO is not null
+order by MEMBER_ID
+
+2번 :카테고리 별 상품 개수 구하기
+SELECT LEFT(PRODUCT_CODE, 2)  AS CATEGORY,COUNT(PRODUCT_CODE) AS PRODUCTS
+FROM PRODUCT
+GROUP BY CATEGORY
+ORDER BY CATEGORY
+
+3번 :가격대 별 상품 개수 구하기
+SELECT TRUNCATE(PRICE,-4) AS PRICE_GROUP,
+COUNT(PRODUCT_CODE) AS PRODUCTS
+FROM PRODUCT
+GROUP BY PRICE_GROUP
+ORDER BY PRICE_GROUP

K_ule/2023.03.08-L2-6

@@ -0,0 +1,21 @@
+1번 :상품 별 오프라인 매출 구하기
+SELECT p.PRODUCT_CODE, SUM(P.PRICE* OFS.SALES_AMOUNT) AS SALES
+FROM PRODUCT P
+INNER JOIN OFFLINE_SALE OFS
+ON P.PRODUCT_ID = OFS.PRODUCT_ID
+GROUP BY p.PRODUCT_CODE
+ORDER BY SALES DESC,P.PRODUCT_CODE
+
+2번 :재구매가 일어난 상품과 회원 리스트 구하기
+SELECT USER_ID,PRODUCT_ID
+FROM ONLINE_SALE 
+GROUP BY USER_ID,PRODUCT_ID
+HAVING COUNT(USER_ID) > 1 AND COUNT(PRODUCT_ID) > 1
+ORDER BY USER_ID, PRODUCT_ID DESC
+
+3번 :진료과별 총 예약 횟수 출력하기
+SELECT MCDP_CD AS 진료과코드,count(APNT_YMD) AS 5월예약건수
+FROM APPOINTMENT
+WHERE MONTH(APNT_YMD) = '5'
+GROUP BY MCDP_CD
+ORDER BY 5월예약건수 ,MCDP_CD