Starting from the data definition, this term can refer anything that can be stored as the data owner needs to maintain its reference in a specific place, from where he can retrieve, update or delete. For keeping in a well defined manner all this data owners, databases were created, with the purpose of defining an electronic mean through which data can be stored in an organized manner.
Any Web-based application needs in its architecture the data storage component, which allows it to store different information from the users. Especially in the e-commerce type applications, a data base server is needed. Different versions of data bases serves can be used. They provide different functionality resources. There are different types of database servers like Microsoft SQL 2000, MySQL, Posgre, Oracle, etc.
