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mysql: add asian-population

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lub 6 years ago
parent 4d00a24242
commit 714968c0d6
1 changed files with 4 additions and 0 deletions
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mysql/asian-population/solution.sql
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SELECT SUM(CITY.POPULATION)
FROM CITY
INNER JOIN COUNTRY ON COUNTRY.CODE = CITY.COUNTRYCODE
WHERE COUNTRY.CONTINENT = 'Asia'
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