The first place to start when searching an unfamiliar database is the "HELP" function--usually a choice on the home page of any database. Additionally, these tutorials and self-paced online training modules offer additional assistance:
Provides access to current and retrospective bibliographic information, author abstracts, and cited references found in approximately 5,900 of the world's leading scholarly science and technical journals covering more than 150 disciplines. 1993-present. Updated weekly.
Check out the "EBSCOhost Tutorials." Basic Searching: Academic Libraries (5 min. video) is a good place to begin. Databases provided by EBSCOhost include: Academic Search Elite, Business Source Complete, America: History and Life, etc.