[해커랭크 SQL] Basic Select - Weather Observation Station 3

❓ Question

https://www.hackerrank.com/challenges/weather-observation-station-3

Weather Observation Station 3 | HackerRank

❗ Answer

SELECT DISTINCT(city)
    FROM station
    WHERE id%2 = 0;

📌 Discussion

- DISTINCT로 중복된 레코드 제거