The MongoDB 3.0 Manual

MongoDB 3.0 Released

See Release Notes for MongoDB 3.0 for new features in MongoDB 3.0.

Welcome to the MongoDB Manual! MongoDB is an open-source, document-oriented database designed for ease of development and scaling.

The Manual introduces MongoDB and continues to describe the query language, operational considerations and procedures, administration, and application development patterns, and other aspects of MongoDB use and administration. See the Introduction to MongoDB for an overview of MongoDB’s key features. The Manual also has a thorough reference section of the MongoDB interface and tools.

This manual is under constant development. See the About MongoDB Documentation for more information on the MongoDB Documentation project.

Getting Started Developers Administrators Reference

Introduction to MongoDB

Installation Guides

First Steps

Frequently Asked Questions

Database Operations


SQL to MongoDB Mapping


Production Notes

Replica Sets

Sharded Clusters

MongoDB Security

Shell Methods

Query Operators

Complete System Reference




MongoDB has an active community. You’ll get a quick response to MongoDB questions posted to Stack Overflow.

Additional Resources

The following resources provide additional information:

MongoDB, Inc.
The company behind MongoDB.
MongoDB Events
Upcoming events where you can learn more and meet members of the MongoDB community.
Planet MongoDB
Aggregator of popular MongoDB blogs.
Slides and Video
Presentations and videos from past MongoDB events.
MongoDB Ops Manager
Easiest way to run MongoDB: includes Automation, Backup, and Monitoring. For more information, see the Ops Manager documentation.
MongoDB Management Service
Free cloud-based service for monitoring and backing up MongoDB deployments. Also consider the MMS documentation.
MongoDB Training
MongoDB’s professional training offerings. Free online courses, online certification, in-person training, and private courses for your organization are available to help you learn to build, run, and deploy applications with MongoDB.
MongoDB Ecosystem
The documentation available for the drivers, frameworks, tools, and services for use with MongoDB.