How can I select the record with the 2nd highest salary in database Oracle?

Question

Suppose I have a table employee with id, user_name, salary. How can I select the record with the 2nd highest salary in Oracle?

I googled it, find this solution, is t

Answer 1

If you're using Oracle 8+, you can use the RANK() or DENSE_RANK() functions like so

SELECT *
FROM (
  SELECT some_column, 
         rank() over (order by your_sort_column desc) as row_rank
) t
WHERE row_rank = 2;