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Weather Observation Station 19
Weather Observation Station 19
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MS SQL : select CAST(SQRT(POWER(Max(LONG_W) - MIN(LONG_W),2) + POWER(MAX(LAT_N) - MIN(LAT_N),2)) AS DECIMAL(10,4)) FROM STATION
select round( SQRT( POWER( (max(lat_n)- min(lat_n)), 2) + POWER( (max(long_w)- min(long_w)),2)),4) from station;
select round ( ( pow ( ( pow ( ( max ( lat_n ) - min ( lat_n ) ) , 2 ) + pow ( ( max ( long_w ) - min ( long_w ) ) , 2 ) ) , 0.5 ) ) , 4 ) from station;
MySQL: