https://www.hackerrank.com/challenges/weather-observation-station-16/problem
Weather Observation Station 16 | HackerRank
Query the smallest of STATION's Northern Latitudes that is greater than 38.7780, and round to 4 decimal places
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코드설명
ROUND + MIN을 활용합니다.
ORACLE 코드
SELECT ROUND(MIN(LAT_N), 4)
FROM STATION
WHERE LAT_N > 38.7780;