MySQL interview questions for experienced MySQL query for finding max and second max and nth max salary for a employee table using MySQL Suppose you have a table ’employee’ given as below —————————— | EmpId | Salary | | 2 | 2000 | | 3 …
Content Delivery Networks (CDN) Hi Everybody, I think you all aware about the CDN (Content Delivery Networks). If not, don’t worry I am going to explain you what is CDN and how it works and how to know whether you site need CDN or not. In Short: A content delivery network (CDN)…
PHP Automatic Session Expire after X Minutes of Inactivity/Idle time Automatic session timeout/logout using php Session timeout is a notion and the only way you make you sure that no session ever will survive after X minutes of inactivity. Session timeout or Session expire depends on the server configuration or the relevant directives (session.gc_maxlifetime)…
