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Revising Aggregations - Averages _ Easy. HackerRank 본문

SQL/문제풀이

Revising Aggregations - Averages _ Easy. HackerRank

데이터분석가 이채은 2024. 10. 27. 20:11

 

Solution

SELECT AVG(POPULATION)
FROM CITY
WHERE DISTRICT = 'California';

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