It is often about one topic and is organized for easy search and retrieval.
Databases come in all sizes, subjects and formats.
From phone books to restaurant menus, research bibliographies to census surveys, generating and using databases have become everyday activities. Databases are proliferating because information continues to be created at a staggering rate. Much of this information is required for optimum performance, perhaps survival, in our jobs, and at home. The availability of good information is essential. Information is useless if no one can find it when it is needed.