[HackerRank SQL] Weather Observation Station 17

문제 link
https://www.hackerrank.com/challenges/weather-observation-station-17/problem

Code link
https://github.com/JamesJung01/Hackerrank_sql/blob/main/01_Easy/Weather_Observation_Stations17.sql

SELECT ROUND(LONG_W,4)
FROM STATION
WHERE LAT_N = (SELECT MIN(LAT_N) FROM STATION WHERE LAT_N > 38.7780);