Where can i learn firebase for sololearn from?

Question

Im confused learning the databases system on sololearn, i want to learn database such as Firebase for sololearn (more like online chatting code) but i dont know how. Can anyone share the firebase learning link?

Answer 1

Tutorialspoint: https://www.tutorialspoint.com/firebase/index.htm

Firebase documentation: https://firebase.google.com/docs

Firebase codelabs:
https://codelabs.developers.google.com/codelabs/firebase-web/#0

Answer 2

Tri Satria Boang Manalu Go on official website of firebase and check documentation.