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[HackerRank] Japan Population (MySQL) 본문
Japan Population | HackerRank
Query to the sum of the populations of all Japanese cities in CITY.
www.hackerrank.com
문제
Query the sum of the populations for all Japanese cities in CITY. The COUNTRYCODE for Japan is JPN.
Input Format
The CITY table is described as follows:
풀이
select sum(population)
from city
where countrycode='JPN''Data Analysis > SQL' 카테고리의 다른 글
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