open source refers to a program in which the source code is available to the general public for use and/or modification from its original design free of charge, i.e., open.

A Content Management System (CMS) is a set of tools that lets you create and maintain your website��s content with minimum knowledge about programming, design, or HTML.

PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.

Most MySQL indexes (PRIMARY KEY, UNIQUE, INDEX, and FULLTEXT) are stored in B-trees. Exceptions are that indexes on spatial column types use R-trees, and MEMORY (HEAP) tables support hash indexes.

This is the Reference Manual for the MySQL Database System. It documents MySQL up to Version 5.0.4-beta, but is also applicable for older versions of the MySQL software (such as 3.23 or 4.0-production) because functional changes are indicated with reference to a version number.

CREATE [UNIQUE|FULLTEXT|SPATIAL] INDEX index_name
[USING index_type]
ON tbl_name (index_col_name,...)

index_col_name:
col_name [(length)] [ASC | DESC]

XOOPS is a program that allows administrators to easily create dynamic websites with great content and many outstanding features. It is an ideal tool for developing small to large dynamic community websites, intra company portals, corporate portals, weblogs and much more. It can be installed on an Internet host with a PHP-capable web server (e.g., Apache) and a database (e.g., MySQL).