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Connection Methods


For details on a specific method, including syntax and examples, click on the link to the method's reference page.

Connects to a MongoDB instance and to a specified database on that instance.
Creates a new connection object.
Returns a database object.
Returns the current read preference mode for the MongoDB connection.
Returns the read preference tag set for the MongoDB connection.

Indicates whether the MongoDB connection allows read operations on secondary members.

Indicates whether causal consistency is enabled on the connection object.
Enables or disables causal consistency on the connection object.
Sets the read preference for the MongoDB connection.

Allows read operations on secondary members for the MongoDB connection.

Starts a session on the connection object.
Opens a change stream cursor for a deployment to report on all its non-system collections across all its databases, excluding the internal admin, local, and config databases.
The session object.
The options object for the session.
← WriteResult.hasWriteConcernError()