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MongoDB Manual


Documentation of query, update, projection, and aggregation framework operators.
Database Commands
Documentation of all MongoDB database commands operations, syntax, and use.
mongosh Methods
Documentation of JavaScript methods and helpers in mongosh.
Legacy mongo Shell
Documentation of JavaScript methods and helpers in the legacy 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.
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.
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.
Stable API
Describes the Stable API.


See also:

The Data Model Reference, Sharding Reference, Replication Reference, and Security Reference contain additional reference material.

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