Introduction to PHP MySQL

adopt PHP, You can connect to and manipulate databases .

MySQL with PHP The most popular open source database system used together .

If you want to learn more MySQL Knowledge can be viewed on this site  MySQL course .

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MySQL What is it? ？

• MySQL It's a kind of Web Database system used on .
• MySQL Is a database system running on a server .
• MySQL Whether in small or large applications , Are ideal choices .
• MySQL Very fast , reliable , And easy to use .
• MySQL Supporting the standard SQL.
• MySQL Compile on some platforms .
• MySQL It is free to download and use .
• MySQL By Oracle Companies to develop 、 Published and supported .
• MySQL The founder of the company Monty Widenius's daughter: My Named .

MySQL The data in is stored in a table . A table is a collection of related data , It contains columns and rows .

When storing information in categories , The database is very useful . A company's database may have the following tables ：

• Employees
• Products
• Customers
• Orders

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PHP + MySQL

• PHP And MySQL Integration is cross platform .（ You can go to Windows On the development , stay Unix Application on the platform .）

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Inquire about

Inquiry is a kind of inquiry or request .

adopt MySQL, We can query the database for specific information , And get the returned recordset .

Please see the following query （ Use standards SQL）：

mysql> set names utf8;
mysql> SELECT name FROM websites;
+---------------+
| name          |
+---------------+
| Google        |
|  TaoBao         |
|  Novice tutorial   |
|  Microblogging         |
| Facebook      |
| stackoverflow |
+---------------+
6 rows in set (0.00 sec)

sentence  set names utf8; Used to set the database code , Let Chinese display normally .

The above query selects "websites" In the table "name" All the data in the column .

To learn more about SQL Knowledge , Please visit our  SQL course .

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download MySQL database

If your PHP The server doesn't have MySQL database , You can download it here for free MySQL： http://www.mysql.com.

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About MySQL The facts of the database

About MySQL One of the great features of is , It can be reduced , To support embedded database applications . Maybe that's why , Many people think that MySQL It can only deal with small and medium-sized systems .

in fact , For websites that support huge amounts of data and traffic （ such as Friendster、Yahoo、Google）,MySQL Is the de facto standard database .

This address provides the use MySQL Overview of the company ： http://www.mysql.com/customers/.