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  1. Prepare
  2. SQL
  3. Aggregation
  4. Weather Observation Station 20
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Weather Observation Station 20

  • jayesh20
     + 0 comments
    WITH indexed AS( 
    SELECT LAT_N , ROW_NUMBER() OVER(ORDER BY LAT_N ASC) AS idx 
    FROM STATION 
) 
select round(lat_n,4) 
from indexed 
where idx =(select (count(*)+1)/2 from station);