CREDO is a great starting point for research. Its online encyclopedias and dictionaries provide background information and links to additional, in-depth research sources.
A database is a specialized, online collection of information sources. Searching a database will provide more specific results as compared to GALILEO Discover.
GALILEO Discover is a powerful search tool that can be used to access millions of SSU library articles, eBooks and other (primarily digital) resources in one search.
This short video explains some things to keep in mind while 'shopping' for information sources. (Video by Okalahoma State University Edmon Low Library; CC BY-NC 4.0)