These hold a collection of information, either focused on one subject or multidisciplinary.
Databases should be used to find authoritative journal articles for your assignments.
They can include:
Journals, newspapers, magazines, reports, newsletters and more
Sometimes include books, but if you want books specifically, use the library catalogue.
Journal articles are shorter than books and written about very specific topics. A journal is a collection of articles (like a magazine) that is published regularly throughout the year.
Journals present the most recent research, and journal articles are written by experts.