One of the things I spend quite a bit of my time doing is helping clients and prospects understand the difference between a "regular" website and a social network. I spend a lot of my time arguing in favour of "social media", in the belief that a social media approach is at the heart of what we call "Web 2.0″ and is closer to how humans naturally function in "real life".
Introduction to Relational Database Systems
If you collect and use any kind of data you probably have some kind of organizing system. Whether you use index cards, a filing cabinet, Excel spreadsheets, or some kind of database program, your system should let you add and change data, delete data, and retrieve data, and it should work faster and more efficiently than if you had to do it by hand.