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select * from (select city , length(city) from station order by length(city) desc, city desc) where rownum = 1
union
select * from (select city , length(city) from station order by length(city) asc, city asc) where rownum = 1;
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Weather Observation Station 5
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select * from (select city , length(city) from station order by length(city) desc, city desc) where rownum = 1 union select * from (select city , length(city) from station order by length(city) asc, city asc) where rownum = 1;