Database Methods

Note

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

Name	Description
`db.adminCommand()`	Runs a command against the `admin` database.
`db.aggregate()`	Runs admin/diagnostic pipeline which does not require an underlying collection.
`db.commandHelp()`	Returns help information for a database command.
`db.createCollection()`	Creates a new collection or a view. Commonly used to create a capped collection.
`db.createView()`	Creates a view.
`db.currentOp()`	Reports the current in-progress operations.
`db.dropDatabase()`	Removes the current database.
`db.fsyncLock()`	Flushes writes to disk and locks the database to prevent write operations and assist backup operations. Wraps `fsync`.
`db.fsyncUnlock()`	Allows writes to continue on a database locked with `db.fsyncLock()`.
`db.getCollection()`	Returns a collection or view object. Used to access collections with names that are not valid in `mongosh`.
`db.getCollectionInfos()`	Returns collection information for all collections and views in the current database.
`db.getCollectionNames()`	Lists all collections and views in the current database.
`db.getLogComponents()`	Returns the log message verbosity levels.
`db.getMongo()`	Returns the `Mongo()` connection object for the current connection.
`db.getName()`	Returns the name of the current database.
`db.getProfilingStatus()`	Returns a document that reflects the current profiling level and the profiling threshold.
`db.getReplicationInfo()`	Returns a document with replication statistics.
`db.getSiblingDB()`	Provides access to the specified database.
`db.hello()`	Returns a document that reports the state of the replica set.
`db.help()`	Displays descriptions of common `db` object methods.
`db.hostInfo()`	Returns a document with information about the system MongoDB runs on. Wraps `hostInfo`
`db.killOp()`	Terminates a specified operation.
`db.listCommands()`	Displays a list of common database commands.
`db.logout()`	Deprecated. Ends an authenticated session.
`db.printCollectionStats()`	Prints statistics from every collection. Wraps `db.collection.stats()`.
`db.printReplicationInfo()`	Prints a formatted report of the replica set status from the perspective of the primary.
`db.printSecondaryReplicationInfo()`	Prints a formatted report of the replica set status from the perspective of the secondaries.
`db.printShardingStatus()`	Prints a report of the sharding configuration and the chunk ranges.
`db.printSlaveReplicationInfo()`	Deprecated since version 4.4.1: Use `db.printSecondaryReplicationInfo()` instead.
`db.resetError()`	Removed in MongoDB 5.0. Resets the last error status.
`db.rotateCertificates()`	Performs online TLS certificate rotation. Wraps `rotateCertificates`.
`db.runCommand()`	Runs a database command.
`db.serverBuildInfo()`	Returns a document that displays the compilation parameters for the `mongod` instance. Wraps `buildInfo`.
`db.serverCmdLineOpts()`	Returns a document with information about the runtime used to start the MongoDB instance. Wraps `getCmdLineOpts`.
`db.serverStatus()`	Returns a document that provides an overview of the state of the database process.
`db.setLogLevel()`	Sets a single log message verbosity level.
`db.setProfilingLevel()`	Modifies the current level of database profiling.
`db.shutdownServer()`	Shuts down the current `mongod` or `mongos` process cleanly and safely.
`db.stats()`	Returns a document that reports on the state of the current database.
`db.version()`	Returns the version of the `mongod` instance.
`db.watch()`	Opens a change stream cursor for a database to report on all its non-`system` collections. Cannot be opened on the `admin`, `local` or `config` databases.

Back

cursor.next()

db.adminCommand()

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Note

Database Methods