Weather Observation Station 19 MediumSQL (Basic) – HackerRank Solution SQL, Best and Optimal Solutions , All you need.
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SQL Weather Observation Station 19 MediumSQL (Basic) HackerRank Solution
select trunc(sqrt(power(((select max(long_w) from station) - (select max(lat_n) from station)),2)+power(((select min(long_w) from station) - (select min(lat_n) from station)),2)),4)||'0' from station where rownum=1;
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