PHP,CSS,JQUERY,HTML tips for beginners

Here i will try to build up a simple project step by step..........................................................................................................................................................................

Step 1: Create database connection in php & table sign_up

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Create database
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CREATE TABLE `sign_up` (
`id` int(20) NOT NULL auto_increment,
`userName` varchar(50) NOT NULL,
`userEmail` varchar(50) NOT NULL,
`password` varchar(250) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 AUTO_INCREMENT=12346 ;

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connect.php
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<?php
mysql_connect("localhost", "root", "") or die ("Cannot connected database");
mysql_select_db("rakhi_database")or die ("Cannot connected db");

?>