Answer:

If your website requires constant updates and feeding of information, or contains a high volume of information, then a database driven website will provide an effective solution for you. If you wish to be able to update prices and information speedily and perhaps arrange that your visitors can "search" your website for specific products and be returned with not only the specific product information - but perhaps also other closely related products which they might like to see - then you need a database driven website.

Databae driven Technologies please see more in web based developement page.