mun dev

문제링크 Weather Observation Station 17 | HackerRank Query the Western Longitude for the smallest value of the Northern Latitudes greater than 38.7780 in STATION and round to 4 decimal places. www.hackerrank.com 코드 select round(long_w,4) from station where lat_n = (select min(lat_n) from station where lat_n > 38.7780);