Answer:

select level, max('col_name') from my_table where level = '&n' connect by prior ('col_name') >

'col_name')

group by level;

Example:

Given a table called emp with the following columns:

-- id number

-- name varchar2(20)

-- sal number

--

-- For the second highest salary:

-- select level, max(sal) from emp

-- where level=2

-- connect by prior sal > sal

-- group by level