Databases.

Dynamic websites and Content Management Systems with MySQL databases

A good database can provide your site with an efficient and flexible mechanism to store and retrieve information. This may be information about your products or services or it may be information that you collect from users via the site. A primary benefit of a database is that your data is stored in a manner that allows for efficient data sorting and retrieval. Data can be stored in a single database record and used throughout your website on any page (for example: a user profile, company details, or product information). There are many database platforms available that can be used online, with MySQL being a popular and widely used choice.