*database: a structured set of data held in a computer, especially one that is accessible in various ways.
*search engine: a program that searches for and identifies items in a database that correspond to keywords or characters specified by the user, used especially for finding particular sites on the World Wide Web.
All definitions from Oxford Languages
Databases are more structured than internet search engines, so they require an intentional search strategy.
Thus, we recommend that you:
Many databases are specialized, meaning that they contain information about a specific subject area. For example, there are psychology databases that contain sources written by and for psychologists and psychology students.