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

select Max(Salary) as SecondHighestSalary from Employee where Salary not in (select max(Salary) from Employee)