Knowledge Hub

MongoDB Atlas icon
MongoDB Atlas
Firebase Realtime Database icon
Firebase Realtime Database

Serverless Database features

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

FeatureMongoDB AtlasFirebase Realtime Database

Infrastructure, Underlying technology

Cloud Infrastructure, database system and underlying egine

MongoDB multi-tenant infrastructure, AWS, GCP, Azure

Nodejs, Google Cloud, Scala

Serverless Support

Serverless and Edge computing support


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.

Supported by any Edge Environment with fetch API

Cloud functions

Developer Experience

Database type



Data model

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

Document based, NoSQL

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

All languages supporting MongoDB driver

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

Query language

Supported query language such as SQL, MQL, PartiQL,

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, document level atomicity.


Support for self-hosted Database instance
Atlas managed service has advantages over self-hosted MongoDB
Doesn't have support


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

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

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

Document level history 30 days retention


Tools and APIs for analysing and monitoring of Database performance

Web based monitoring tools

Web based monitoring tools


Replication and Partitioning

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

Region groups