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What is Java Script

A Programming Language which adds interactivity in website is called Java script (JS). Basic syntax to write java script is : Java script is used to...

Difference between Drop and Truncate in MySQL

Drop and Truncate both are used to remove the data from database. Drop remove the data and structure both while truncate remove the data and...

Delete Duplicate Rows in MySQL

We have to delete all duplicate rows from a table except first one. So lets see we have a table named users. This question could...

Default Expiration time in Cookie

Cookie is used to store user information like no. of times user view the page, remember user login credentials etc. Cookie is very small...

Default Session Timeout in PHP

Session store on server side. It is used to store user information. Its timeout also depends on users browser. If user close his browser,...