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This will solve the problem in single query using window function
With CTE as (SELECT city,length(city),row_number() over (order by length(city) desc,city )
as rw
from Station
Union
SELECT city,length(city),row_number() over (order by length(city),city ) as rw
from Station )
select city,length(city) from CTE
where rw =1
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Weather Observation Station 5
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------MySQL
This will solve the problem in single query using window function
With CTE as (SELECT city,length(city),row_number() over (order by length(city) desc,city ) as rw from Station Union SELECT city,length(city),row_number() over (order by length(city),city ) as rw from Station )
select city,length(city) from CTE where rw =1