Why Firestore is Firebase's primary database - Quick Recap

Recall & Review

beginner

What is Firestore in Firebase?

Firestore is a cloud-hosted NoSQL database that stores data in documents and collections. It syncs data in real-time across devices.

beginner

Why does Firestore support real-time updates?

Firestore uses real-time listeners that notify apps instantly when data changes, making apps responsive and interactive.

intermediate

How does Firestore handle offline support?

Firestore caches data locally on devices, so apps can read and write data even without internet. Changes sync automatically when back online.

intermediate

What makes Firestore scalable for apps?

Firestore automatically scales to handle large amounts of data and many users without manual setup, thanks to Google's cloud infrastructure.

advanced

Why is Firestore preferred over Firebase Realtime Database?

Firestore offers richer querying, better structure with documents and collections, stronger security rules, and more robust offline support.

What type of database is Firestore?

A NoSQL document database

B Relational SQL database

C File storage system

D In-memory cache

Firestore stores data in documents and collections, making it a NoSQL document database.

How does Firestore keep app data updated in real-time?

A By using real-time listeners

B By polling the server every minute

C By manual refresh only

D By sending email alerts

Firestore uses real-time listeners to instantly notify apps of data changes.

What happens when a device using Firestore goes offline?

A App stops working completely

B App switches to a backup database

C Data is lost until reconnect

D Data is cached locally and syncs when online

Firestore caches data locally so apps can work offline and sync changes later.

Which feature helps Firestore handle many users and large data?

A Fixed storage size

B Manual server setup

C Automatic scaling on Google Cloud

D Limited user connections

Firestore automatically scales using Google Cloud infrastructure.

Compared to Firebase Realtime Database, Firestore offers:

A Less security options

B Richer queries and better offline support

C Only simple key-value storage

D No real-time updates

Firestore provides richer querying, stronger security, and better offline support than Realtime Database.

Explain why Firestore is Firebase's primary database.

Think about what makes an app responsive, reliable, and secure.

Describe how Firestore supports app functionality when internet is unavailable.

Consider how apps keep working without connection.