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PHP Web Development with MySQL—A Hands On Approach to Application Programming 25 I like to use the following conventions when creating variables, functions, methods, constants, and classes in PHP, which I will be using throughout this book:
MySQL is the de-facto standard database system for web sites with HUGE volumes of both data and end-users (like Facebook, Twitter, and Wikipedia). Another great thing about MySQL is that it can be scaled down to support embedded database applications.
This chapter provides a tutorial introduction to MySQL by showing how to use the mysql client program to create and use a simple database. mysql (sometimes referred to as the “terminal monitor” or just “monitor”) is an interactive program that enables you to connect to a MySQL server, run queries, and view
Coding CRUD with PHP and MySQL is one of the basics. PHP web programmers must be able to code it with less effort. We can perform this task using any of the three PHP Database extensions: 1. Using the MySQL extension . 2. Using the MySQLi extension . 3. Using the PDO extension .
Let us begin with a simple example - a product sales database. A product sales database typically consists of many tables, e.g., products, customers, suppliers, orders, payments, employees, among others.
In this book, MySQL is the RDBMS used because it is particularly well suited for Web sites. MySQL and its advantages are discussed in the section, “MySQL, My Database,” later in this chapter. You can find out how to organize and design a MySQL database in Chapter 3.
newbies to programmers with years of experience—are turning to PHP and MySQL for their Web-based projects; and for good reason. Both PHP and MySQL are easy to use, fast, free, and powerful.
