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------------------------oracle----------------------------
select city,length(city) from (select city,rownum as rid from (select city,length(city) from station order by length(city),city))
where rid = 1 or rid = (select max(rownum) from station);
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Weather Observation Station 5
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------------------------oracle---------------------------- select city,length(city) from (select city,rownum as rid from (select city,length(city) from station order by length(city),city)) where rid = 1 or rid = (select max(rownum) from station);