Introduction
The mysqli extension allows you to access the functionality provided by 
MySQL 4.1 and above. More information about the MySQL Database server can be
found at » http://www.mysql.com/

An overview of software available for using MySQL from PHP can be found at
Overview

Documentation for MySQL can be found at » http://dev.mysql.com/doc/.

Parts of this documentation included from MySQL manual with permissions of 
Oracle Corporation.

Examples use either the » world or » sakila database, which are freely available.