Guide to chose between Firebase Database options

It is one of the easy to-use platforms and it is the first choice to host data for mobile and web apps for most of the new mobile and web developers.

Get a random document from Firebase Cloud Firestore with Ionic Angular

I was Googling to find a way to get a random document from Cloud Firestore. Knowing the cool features of Firebase and Cloud Firestore, surely there is an easy method to do this.