Ebsco includes several databases on different topics. These include:
Academic Search Complete: general academic database covering newspapers, magazines, scholarly journals, and other formats including primary sources, reports, and images.
Business Source Elite: specialized business publications
ERIC: specializing in education topics
When you search Ebsco, you have a choice to search all databases (default) or to search specific databases.
This is the same for ProQuest. Go to Select Databases.