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[SQL] 동명 동물 수 찾기 - GROUP BY ... HAVING ... 본문

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[SQL] 동명 동물 수 찾기 - GROUP BY ... HAVING ...

1984 2022. 9. 24. 03:17
SELECT NAME, COUNT(NAME) as 'CNT'
FROM ANIMAL_INS
WHERE NAME IS NOT NULL
GROUP BY NAME HAVING COUNT(NAME) >=2
ORDER BY NAME
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