[MSSQL] 해커랭크(HackerRank) - Weather Observation Station 1

https://www.hackerrank.com/challenges/weather-observation-station-1/problem?isFullScreen=true

문제

해석
STATION 테이블에서 CITY 및 STATE 목록을 쿼리합니다.

SELECT
    CITY
,   STATE
FROM
    STATION