how to find nth salary in mysql

select  salary from (SELECT DISTINCT salary FROM employee order by salary DESC LIMIT 1)as result order by salary ASC limit 1

how to find the second max salary

select max(salary) from employee where salary <(select max(salary) from employee)

how to find the max salary in my sql

select max(salary) from employee

west site to learn laravel

https://medium.com/@abhi.eduonix/6-best-ways-to-learn-laravel-600d15ee9f18

what is memcached and how to use it

http://www.9lessons.info/2012/02/memcached-with-php.html