Knowledge Hub

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Firebase Realtime Database
PlanetScale icon
MongoDB Atlas icon
MongoDB Atlas

Serverless Database features

Compare the features of the Serverless Database to help you choose the right one for your needs.

FeatureFirebase Realtime DatabasePlanetScaleMongoDB Atlas

Infrastructure, Underlying technology

Cloud Infrastructure, database system and underlying egine

Nodejs, Google Cloud, Scala

MySQL, Vitess, GCP, AWS

MongoDB multi-tenant infrastructure, AWS, GCP, Azure

Serverless Support

Serverless and Edge computing support



uses HTTP connection, JavaScript Driver

HTTPS Rest API support to run queries in Edge runtimes

Edge Functions

Serverless functions that run closer to the user, reducing latency and improving performance.

Cloud functions

Cloudflare Workers, Vercel Edge Functions, Netlify Edge Functions

Supported by any Edge Environment with fetch API

Developer Experience

Database type




Data model

Databases store data in models, such as Relational, Columnar or Document based

Document based, NoSQL

Relational, SQL

Document based, NoSQL


Command Line Interface tools that allow developers to perform tasks and manage the tool via the command line.

Firebase CLI



Languages, APIs

The languages supporting the database and API interface for inter-process communication

JavaScript, Swift, Kotlin, Java, C++, Objective-C

Any package/driver supporting MySQL, Prisma, Node.js, Go, Django, C#

All languages supporting MongoDB driver

Query language

Supported query language such as SQL, MQL, PartiQL,


SQL, MySQL variation

Mongo-Query-Language (MQL)

ACID compliant

ACID is a set of properties of database transactions intended to guarantee data validity despite errors, power failures, and other mishaps
ACID compliant
ACID compliant, document level atomicity.


Support for self-hosted Database instance
Doesn't have support
Only Enterprise Plan members, AWS, GCP
Atlas managed service has advantages over self-hosted MongoDB


Daily basis (Included in Free tier), Scheduled backups ($0.023 per GB per month)

Atlas ensures continuous cloud backup of replica sets and consistent, cluster-wide snapshots of sharded clusters

Security & Compliance Offerings


Service Organization Control 2 compliance for managing customer data.
Apart from App indexing

Multi-factor authentication

Support of the cloud-histed database for multi-factor authentication


Cryptographic security at rest and on transportation level


AES Encription, TLS v1.3

Atlas encrypts all cluster storage and snapshot volumes at rest by default


SAML-based SSO solution

Monitoring and analytics

Log retention

Query log retention usually keeps lofs of operations for debugging and replication purposes
Document level history 30 days retention
Based on plan, Unlimited for Enterprise

Atlas retains the last 30 days of log messages and system event audit messages for each tier in a cluster"


Tools and APIs for analysing and monitoring of Database performance

Web based monitoring tools

Web based dashboard, read/write ratio

Web based monitoring tools


Replication and Partitioning

Region groups

Database can be deployed on AWS, GCP supported regions (GDPR compliant)

By default run on replicaset, can automatically scale based on load