If you are a customer on-line, you will be accessing the available products through the data system. If you are an employee that is processing the order, you may be looking at available product and shipping dates. Depending on who you are, you need access to different pieces of the available information within the company. Dynamic content is also generated through data systems. Analytic functions such as cost evaluation, product distribution, and sales forecasting can all be generated through tangible data that is generated instantly with current numbers.
Portals bring order to web chaos.
There is a single point of entry, with multiple views. Data systems keep everyone in contact with the information that is most valuable to the purpose that is needed for any specific task. It is customization for specific needs. Database systems help organize and develop content. A single database is easier to manage than hundreds and thousands of files.