Choosing a database for your research is like choosing a store to shop in a shopping mall. It depends on your needs. Each database has its own special collection of information. Match your research needs with the appropriate database(s). For example:
To browse for topic ideas and do preliminary research, you can try SIRS Knowledge Source, CQ Researcher, or Issues and Controversies
To find articles from scholarly (peer-reviewed) journals, try ProQuest, EBSCOhost, JSTOR, or some Gale databases
For general reference, try Gale eBooks (digitized reference books) or Britannica Academic.
For newspaper articles, try NewsBank, World News Digest, ProQuest, EBSCOhost, etc.
For academic videos, try Alexander Street Videos.
For statistical data, try Statista.
To learn a new language, go to Mango Languages
There are subject-specific databases, such as
Under the link of each database, there is a brief description of the database. You can decide if the database may be a good match for your needs. You can also explore databases by subject or by content types.
If you are not sure which databases to use for your research, ask a librarian for recommendation.