We use cookies to ensure you have the best browsing experience on our website. Please read our cookie policy for more information about how we use cookies.
  1. Prepare
  2. SQL
  3. Aggregation
  4. Weather Observation Station 18
  5. Discussions

Weather Observation Station 18

  • ryan_a_gard
     + 0 comments

    MySQL using variables:

    SET @P1a = (SELECT MIN(LAT_N) FROM STATION);
SET @P1b = (SELECT MIN(LONG_W) FROM STATION);
SET @P2c = (SELECT MAX(LAT_N) FROM STATION);
SET @P2d = (SELECT MAX(LONG_W) FROM STATION);

SELECT ROUND(ABS(@P1a - @P2c) + ABS(@P1b - @P2d), 4);