mysql truncate

    [Hackerrank SQL] Weather Observation Station 13

    www.hackerrank.com/challenges/weather-observation-station-13/problem Weather Observation Station 13 | HackerRank Query the sum of Northern Latitudes having values greater than 38.7880 and less than 137.2345, truncated to 4 decimal places. www.hackerrank.com 연산에 관한 문제이다. select truncate(sum(LAT_N),4) from STATION WHERE LAT_N > 38.7880 AND lat_n