[SQL][HackerRank] Weather Observation Station 19

https://www.hackerrank.com/challenges/weather-observation-station-19/problem?h_r=next-challenge&h_v=zen&h_r=next-challenge&h_v=zen&h_r=next-challenge&h_v=zen

Weather Observation Station 19 | HackerRank

The Euclidean Distance 는 sqrt((a-b)2 + (c-d)2)

SELECT ROUND(SQRT(POW(MIN(LAT_N)-MAX(LAT_N), 2) + POW(MIN(LONG_W)-MAX(LONG_W), 2)), 4) 
FROM STATION;