[Link] https://programmers.co.kr/learn/courses/30/lessons/59041
1 2 3 4 5 6 SELECT NAME, COUNT(NAME) AS COUNT FROM ANIMAL_INS WHERE NAME IS NOT NULL GROUP BY NAME HAVING COUNT(*) >= 2 ORDER BY NAME ASC;
1 2 3 4 5 6
SELECT NAME, COUNT(NAME) AS COUNT FROM ANIMAL_INS WHERE NAME IS NOT NULL GROUP BY NAME HAVING COUNT(*) >= 2 ORDER BY NAME ASC;