With PHP, you can connect to and manipulate databases.
MySQL is the most popular database system used with PHP.
What is MySQL?
MySQL is a database system used on the web
MySQL is a database system that runs on a server
MySQL is ideal for both small and large applications
MySQL is very fast, reliable, and easy to use
MySQL uses standard SQL
MySQL compiles on a number of platforms
MySQL is free to download and use
MySQL is developed, distributed, and supported by Oracle Corporation
MySQL is named after co-founder Monty Widenius's daughter: My
The data in a MySQL database are stored in tables. A table is a collection of related data, and it consists of columns and rows.
Databases are useful for storing information categorically. A company may have a database with the following tables:
PHP + MySQL Database System
PHP combined with MySQL are cross-platform (you can develop in Windows and serve on a Unix platform)
A query is a question or a request.
We can query a database for specific information and have a recordset returned.
Look at the following query (using standard SQL):
SELECT LastName FROM Employees
The query above selects all the data in the "LastName" column from the "Employees" table.
To learn more about SQL, please visit our SQL tutorial.
Download MySQL Database
If you don't have a PHP server with a MySQL Database.
Facts About MySQL Database
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.