group() public method Performs aggregation using MongoDB

dropDatabase() public method Drops database associated

getReadConcern() public method Retuns read concern for

getReadPreference() public method Returns read preference

beginProfile() protected method Marks the beginning of

query() public method Executes this command as a mongo

$db public property The MongoDB connection that this command is

$databaseName public property Name of the database that this command

listDatabases() public method Returns the list of available

update() public method Update existing documents in the