[프로그래머스] SQL 고득점 Kit: 진료과별 총 예약 횟수 출력하기

https://school.programmers.co.kr/learn/courses/30/lessons/132202

프로그래머스

 

 

-- 코드를 입력하세요
SELECT MCDP_CD as '진료과코드', count(APNT_NO) as '5월예약건수'
from APPOINTMENT 
where APNT_YMD between '2022-05-01' and '2022-05-31'
group by MCDP_CD
order by count(APNT_NO), MCDP_CD;