PDO : PHP Data Object PDO is an acronym for PHP Data Objects. It is a database access layer providing a uniform method of access to multiple databases. Use of PDO : Let a suppose you need to connect your database to Oracle or IBM DB2 in your existing code(written in MySQL/PHP) or if you…

jQuery is simply a way of Write less, do more.It is designed to change the way that you write JavaScript. jQuery is a fast and small JavaScript Library that simplifies HTML document traversing, event handling, animating, and Ajax interactions for rapid and simple/easy web development. jQuery is a cross-browser JavaScript library designed to simplify the…