Reference

This version of the documentation is archived and no longer supported. View the current documentation to learn how to upgrade your version of MongoDB.

Operators: Documentation of query, update, projection, and aggregation framework operators.
Database Commands: Documentation of all MongoDB database commands operations, syntax, and use.
mongo Shell Methods: Documentation of all JavaScript methods and helpers in the mongo shell.
MongoDB Package Components: Documentation of mongod and mongos and all other tools distributed with MongoDB.
Error Codes: Details the error codes that MongoDB returns.
Configuration File Options: Full documentation of the configuration file and available run-time operations.
MongoDB Server Parameters: Documentation of all mongod and mongos parameters that are available in the setParameter (command) and setParameter run-time interface.
MongoDB Limits and Thresholds: A list of important limits and thresholds imposed by MongoDB.
Explain Results: Documentation on information returned from explain operations.
System Collections: Describes the collections that MongoDB reserves for internal use.
Connection Strings: The complete specification of the MongoDB connection string format that the drivers use to describe connections to MongoDB deployments.
Collation: Description of collation fields as well as supported languages and associated locales for collation.
MongoDB Wire Protocol: Description of the MongoDB Wire Protocol.
Log Messages: Describes the components of log messages.
Exit Codes and Statuses: Details the codes and statuses that MongoDB returns when exiting.
Glossary: A glossary of common terms and concepts specific to MongoDB.
Default MongoDB Port: List of default ports used by MongoDB.
Default MongoDB Read Concerns/Write Concerns: List of default read and write concerns.
Server Sessions: Describes server sessions.

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