[HackerRank SQL] Weather Observation Station 3

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

Code link
https://github.com/JamesJung01/Hackerrank_sql/blob/main/01_Easy/Weather_Observation_Stations3.sql

SELECT DISTINCT CITY
FROM STATION
WHERE MOD(ID,2) = 0;