PHP provides several functions to perform DML operation on MySql database. These functions allow to establish connection, retrieve data and update existing data. Some of the most commonly used functions are

CSS allow us to redefine properties of HTML elements. By redefining properties we can create attractive look and feel for web pages. More importantly its usage is simple and straight forward. For example consider following rule.

P

{

color: #F00 ;

}

In above rule “P” is a basic CSS selector which can be used to change any property of Paragraph.