Write a query to find second highest salary of an employee.

Answer Posted / humayun quaiser

slect max(sal) from emp
where sal not in (select max(sal) from emp);

or

select max(sal) from emp
where sal<(select max(sal) from emp);

or

select distinct sal from emp e
where 1=(select count(distinct sal) from emp
where sal>e.sal);

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