문제 link
https://programmers.co.kr/learn/courses/30/lessons/59414
Code link
https://github.com/JamesJung01/programmers_sql_kit/blob/main/06_STRING%2CDATE/STRING%2CDATE-5.sql
SELECT ANIMAL_ID, NAME, DATE_FORMAT(DATETIME, '%Y-%m-%d') AS '날짜' FROM ANIMAL_INS ORDER BY ANIMAL_ID;