App Firebase Database — Free App Development Tutorial
Learn App Firebase Database in App Development with a free, beginner-friendly tutorial, examples and practice for Indian students on Syllab.in.
TL;DR: Learn App Firebase Database in App Development with a free, beginner-friendly tutorial, examples and practice for Indian students on Syllab.in.
Written & reviewed by the Syllab.in Academic Team (CBSE/NCERT subject experts) · Updated
App Firebase Database in App Development
Firebase Firestore is a cloud-hosted NoSQL database from Google, ideal for real-time web and mobile apps.
Firestore stores data as documents inside collections — similar to JSON objects in folders.
The Firebase SDK allows you to add, read, update, and delete data directly from the frontend with minimal setup.
Real-time listeners (onSnapshot) automatically update your UI when data changes in the database.
Firebase also provides Authentication, Hosting, and Storage, making it a complete backend-as-a-service solution.
App Firebase Database — Syntax
// Initialize Firebase
import { initializeApp } from "firebase/app";
import { getFirestore, collection, addDoc, getDocs } from "firebase/firestore";
const app = initializeApp(firebaseConfig);
const db = getFirestore(app);
// Add a document
await addDoc(collection(db, "notes"), { text: "Hello", createdAt: new Date() });
// Read documents
const snapshot = await getDocs(collection(db, "notes"));
snapshot.forEach(doc => console.log(doc.id, doc.data()));
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