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) from EmployeeTest where Salary < ( select max(Salary) from EmployeeTest ) ;

this will work for all DBs.