General Purpose Databases cover lots of different disciplines. Results can include popular sources, such as newspapers and magazines, as well as scholarly journal articles, books, and more.
These databases include current newspapers, wire services, broadcast transcripts, and more from local, regional, national, and international sources
These databases cover just one or two closely related subjects. While the coverage is more limited than general purpose databases, they cover those areas more deeply. They include results for academic books, conference papers, and dissertations in addition to scholarly journals.