What kind of database is firebase?

Related questions

1. Is firebase DB free?
2. What language does firebase use?
3. What is firebase and how do you use it?
4. Is firebase good for backend?
5. Which is better firebase or AWS?
6. Is firebase an API?
7. What is firebase API?
8. Why should I use firebase?
9. What is firebase and how it works?
10. Is NoSQL a firebase?

Tags

1. #cloud
2. #meaning
3. #authentication
4. #store
5. #database
6. #clients
7. #firebase
8. #service
9. #realtime
10. #other
11. #nosql
12. #directly
13. #services
14. #backend
15. #means
16. #hosting
17. #storage
18. #access