⟩ How to get / select the nth row from the table? how to select first n rows ,last n rows from a table?
nth salary
select salary
from table_name a
where &n=(select count(salary) from table_name b where a.salary<=b.salary);
n salaries
select salary
from table_name a
where &n>=(select count(salary) from table_name b where a.salary<=b.salary);
select level,max(column name) from emp where level = n connect by prior sal > sal group by level;