An electronic database is a collection of information which includes journal articles, but also conference papers, book chapters, reports, dissertations and many other types of information.
Databases collect together articles in subject areas, allowing you to limit your searching to databases that are relevant to your area of research.
Individual journal articles are not usually searchable in the library catalogue. To find articles on a topic you will need to search an electronic database, using a keyword search.
Some databases will provide the full text of articles, others will provide only the abstract or summary. In many cases you can link to the full text by clicking