프로그래머스 SQL #조건에 맞는 회원수 구하기

SELECT COUNT(USER_ID)
FROM USER_INFO
WHERE AGE >= 20
AND AGE <= 29
AND DATE_FORMAT(JOINED, '%Y') = 2021

SELECT COUNT(AGE) 
FROM USER_INFO 
WHERE AGE BETWEEN 20 AND 29
AND DATE_FORMAT(JOINED, '%Y') = 2021