https://www.hackerrank.com/challenges/weather-observation-station-3/problem
Weather Observation Station 3 | HackerRank
Query a list of unique CITY names with even ID numbers.
www.hackerrank.com
'SQL > HackerRank' 카테고리의 다른 글
| [SQL/HackerRank] Weather Observation Station 5(MySQL) (0) | 2020.06.06 |
|---|---|
| [SQL/HackerRank] Weather Observation Station 4(MySQL) (0) | 2020.06.06 |
| [SQL/HackerRank] Weather Observation Station 2(MySQL) (0) | 2020.06.05 |
| [SQL/HackerRank] Weather Observation Station 1(MySQL) (0) | 2020.06.05 |
| [SQL/HackerRank] Japanese Cities' Names(MySQL) (0) | 2020.06.05 |