diff --git a/K_ule/2023.04.05-L4-2 b/K_ule/2023.04.05-L4-2
new file mode 100644
index 0000000..0423e58
--- /dev/null
+++ b/K_ule/2023.04.05-L4-2
@@ -0,0 +1,27 @@
+1번 : 식품분류별 가장 비싼 식품의 정보 조회하기
+SELECT CATEGORY,PRICE AS MAX_PRICE,PRODUCT_NAME
+FROM FOOD_PRODUCT
+WHERE PRICE IN(
+    SELECT MAX(PRICE)AS MAX_PRICE
+    FROM FOOD_PRODUCT
+    GROUP BY CATEGORY)
+AND CATEGORY IN ('과자', '국', '김치', '식용유')
+ORDER BY PRICE DESC
+
+2번 : 5월 식품들의 총매출 조회하기
+SELECT FP.PRODUCT_ID,PRODUCT_NAME,FP.PRICE*SUM(FO.AMOUNT) AS TOTAL_SALES
+FROM FOOD_PRODUCT FP
+INNER JOIN FOOD_ORDER FO
+ON FP.PRODUCT_ID=FO.PRODUCT_ID
+WHERE MONTH(PRODUCE_DATE) = 05
+GROUP BY PRODUCT_ID
+ORDER BY TOTAL_SALES DESC, PRODUCT_ID
+
+3번 : 서울에 위치한 식당 목록 출력하기
+SELECT RI.REST_ID,REST_NAME,FOOD_TYPE,FAVORITES,ADDRESS,ROUND(AVG(REVIEW_SCORE),2) AS SCORE
+FROM REST_INFO RI
+INNER JOIN REST_REVIEW RR
+ON RI.REST_ID = RR.REST_ID
+WHERE ADDRESS LIKE '서울%'
+GROUP BY REST_ID
+ORDER BY SCORE DESC , FAVORITES DESC