Different Ways of Store and Access Test Data

There are many ways to store and access test data for automation testing. It would be different scenario to scenario.
What will be best approach to store very large test data for automation?

1. Excel file in automation frameworks itself
2. JSON file in automation frameworks itself
3. Any external file
4. Static data in test case file
5. Store data in DB, create REST API using Springboot and access through that.

If you want to learn how each option works, you can contact me through Email or Linkedin.