[문제]
[MySQL]
SELECT SUM(POPULATION) AS Output
FROM CITY
WHERE COUNTRYCODE = 'JPN'
'SQL > HackerRank' 카테고리의 다른 글
| [HackerRank] The Blunder (0) | 2025.03.07 |
|---|---|
| [HackerRank] Population Density Difference (0) | 2025.03.07 |
| [HackerRank] Average Population (0) | 2025.03.07 |
| [HackerRank] Revising Aggregations - Averages (0) | 2025.03.05 |
| [HackerRank] Revising Aggregations - The Sum Function (0) | 2025.03.05 |
