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Programmers <물고기 종류 별 잡은 수 구하기>

group by 로 집계를 할때 FISH_NAME도 같이 집계해주어야 한다.
SELECT COUNT(*) FISH_COUNT, FISH_NAME FROM FISH_INFO JOIN FISH_NAME_INFO USING(FISH_TYPE) GROUP BY FISH_TYPE, FISH_NAME ORDER BY FISH_COUNT DESC;
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