A database is a collection of information on a specific subject. A general database has a broad range of topics, a specialized database is aimed at a certain subject or profession. Good general databases are:
The Library subscribes to the entire JSTOR Arts & Sciences Collection - sets I to X. Remember JSTOR is not a current content database. It contains back issues of journals that are at least 2 years old, and often go back to the earliest days of the journal.