|
1
2
3
|
select sum(population)
from city
where district='California'
|
cs |
반응형
'SQL' 카테고리의 다른 글
| Hacker rank Average Population (0) | 2021.10.21 |
|---|---|
| Hacker rank -Revising Aggregations - Averages (0) | 2021.10.21 |
| Hacker rank Revising Aggregations - The Count Function (0) | 2021.10.21 |
| Hacker rank African Cities (0) | 2021.10.21 |
| Hacker rank Population Census (0) | 2021.10.21 |
댓글