思维导图备注

MongoDB v4.2 Manual
首页 白天 夜间 BookChat 小程序 小程序 阅读
  • 书签 我的书签
  • 添加书签 添加书签 移除书签 移除书签

db.commandHelp()

 来源:MongoDB官网 浏览 392 扫码 分享 2019-12-01 11:56:26
  • db.commandHelp()
    • Description

    db.commandHelp()

    Description

    • db.commandHelp(command)
    • Displays help text for the specified database command. Seethe Database Commands.

    The db.commandHelp() method has the following parameter:

    ParameterTypeDescriptioncommandstringThe name of a database command.

    当前内容版权归 MongoDB官网 或其关联方所有，如需对内容或内容相关联开源项目进行关注与资助，请访问 MongoDB官网 .
    上一篇:
    下一篇:
    • 书签
    • 添加书签 移除书签
    • Introduction
      • Getting Started
      • Create an Atlas Free Tier Cluster
      • Databases and Collections
        • Views
        • On-Demand Materialized Views
        • Capped Collections
      • Documents
      • BSON Types
        • Comparison/Sort Order
        • MongoDB Extended JSON (v2)
        • MongoDB Extended JSON (v1)
    • Installation
      • Install MongoDB Community Edition
        • Install on Linux
          • Install on Red Hat
            • Install using .tgz Tarball
          • Install on Ubuntu
            • Install using .tgz Tarball
            • Troubleshoot Ubuntu Installation
          • Install on Debian
            • Install using .tgz Tarball
          • Install on SUSE
            • Install using .tgz Tarball
          • Install on Amazon
            • Install using .tgz Tarball
        • Install on macOS
          • Install using .tgz Tarball
        • Install on Windows
          • Install using msiexec.exe
      • Install MongoDB Enterprise
        • Install on Linux
          • Install on Red Hat
            • Install using .tgz Tarball
          • Install on Ubuntu
            • Install using .tgz Tarball
          • Install on Debian
            • Install using .tgz Tarball
          • Install on SUSE
            • Install using .tgz Tarball
          • Install on Amazon
            • Install using .tgz Tarball
        • Install on macOS
        • Install on Windows
          • Install using msiexec.exe
        • Install with Docker
      • Upgrade MongoDB Community to MongoDB Enterprise
        • Upgrade to MongoDB Enterprise (Standalone)
        • Upgrade to MongoDB Enterprise (Replica Set)
        • Upgrade to MongoDB Enterprise (Sharded Cluster)
      • Verify Integrity of MongoDB Packages
    • The mongo Shell
      • Configure the mongo Shell
      • Access the mongo Shell Help
      • Write Scripts for the mongo Shell
      • Data Types in the mongo Shell
      • mongo Shell Quick Reference
    • MongoDB CRUD Operations
      • Insert Documents
        • Insert Methods
      • Query Documents
        • Query on Embedded/Nested Documents
        • Query an Array
        • Query an Array of Embedded Documents
        • Project Fields to Return from Query
        • Query for Null or Missing Fields
        • Iterate a Cursor in the mongo Shell
      • Update Documents
        • Update Methods
      • Delete Documents
        • Delete Methods
      • Bulk Write Operations
      • Retryable Writes
      • SQL to MongoDB Mapping Chart
      • Text Search
        • Text Indexes
        • Text Search Operators
        • Text Search in the Aggregation Pipeline
        • Text Search Languages
      • Geospatial Queries
        • Find Restaurants with Geospatial Queries
        • GeoJSON Objects
      • Read Isolation (Read Concern)
        • Read Concern "local"
        • Read Concern "available"
        • Read Concern "majority"
        • Read Concern "linearizable"
        • Read Concern "snapshot"
      • Write Acknowledgement (Write Concern)
      • MongoDB CRUD Concepts
        • Atomicity and Transactions
        • Read Isolation, Consistency, and Recency
          • Causal Consistency and Read and Write Concerns
        • Distributed Queries
        • Linearizable Reads via findAndModify
        • Query Plans
        • Query Optimization
          • Evaluate Performance of Current Operations
          • Optimize Query Performance
          • Write Operation Performance
        • Analyze Query Performance
        • Tailable Cursors
    • Aggregation
      • Aggregation Pipeline
        • Aggregation Pipeline Optimization
        • Aggregation Pipeline Limits
        • Aggregation Pipeline and Sharded Collections
        • Example with ZIP Code Data
        • Example with User Preference Data
      • Map-Reduce
        • Map-Reduce and Sharded Collections
        • Map-Reduce Concurrency
        • Map-Reduce Examples
        • Perform Incremental Map-Reduce
        • Troubleshoot the Map Function
        • Troubleshoot the Reduce Function
      • Aggregation Reference
        • Aggregation Pipeline Quick Reference
        • Aggregation Commands
        • Aggregation Commands Comparison
        • Variables in Aggregation Expressions
        • SQL to Aggregation Mapping Chart
    • Data Models
      • Data Modeling Introduction
      • Schema Validation
      • Data Modeling Concepts
        • Data Model Design
        • Operational Factors and Data Models
      • Data Model Examples and Patterns
        • Model Relationships Between Documents
          • Model One-to-One Relationships with Embedded Documents
          • Model One-to-Many Relationships with Embedded Documents
          • Model One-to-Many Relationships with Document References
        • Model Tree Structures
          • Model Tree Structures with Parent References
          • Model Tree Structures with Child References
          • Model Tree Structures with an Array of Ancestors
          • Model Tree Structures with Materialized Paths
          • Model Tree Structures with Nested Sets
        • Model Specific Application Contexts
          • Model Data for Atomic Operations
          • Model Data to Support Keyword Search
          • Model Monetary Data
          • Model Time Data
      • Data Model Reference
        • Database References
    • Transactions
      • Drivers API
      • Production Considerations
      • Production Considerations (Sharded Clusters)
      • Transactions and Operations
    • Indexes
      • Single Field Indexes
      • Compound Indexes
      • Multikey Indexes
        • Multikey Index Bounds
      • Text Indexes
        • Specify a Language for Text Index
        • Specify Name for text Index
        • Control Search Results with Weights
        • Limit the Number of Entries Scanned
      • Wildcard Indexes
        • Wildcard Index Restrictions
      • 2dsphere Indexes
        • Query a 2dsphere Index
      • 2d Indexes
        • Create a 2d Index
        • Query a 2d Index
        • 2d Index Internals
        • Calculate Distance Using Spherical Geometry
      • geoHaystack Indexes
        • Create a Haystack Index
        • Query a Haystack Index
      • Hashed Indexes
      • Index Properties
        • TTL Indexes
          • Expire Data from Collections by Setting TTL
        • Unique Indexes
        • Partial Indexes
        • Case Insensitive Indexes
        • Sparse Indexes
      • Index Builds on Populated Collections
        • Build Indexes on Replica Sets
        • Build Indexes on Sharded Clusters
      • Index Intersection
      • Manage Indexes
      • Measure Index Use
      • Indexing Strategies
        • Create Indexes to Support Your Queries
        • Use Indexes to Sort Query Results
        • Ensure Indexes Fit in RAM
        • Create Queries that Ensure Selectivity
      • Indexing Reference
    • Security
      • Security Checklist
      • Enable Access Control
      • Authentication
        • Users
          • Add Users
        • Authentication Mechanisms
          • SCRAM
          • x.509
            • Use x.509 Certificates to Authenticate Clients
        • Enterprise Authentication Mechanisms
          • Kerberos Authentication
            • Configure MongoDB with Kerberos Authentication on Linux
            • Configure MongoDB with Kerberos Authentication on Windows
            • Troubleshoot Kerberos Authentication
            • Configure MongoDB with Kerberos Authentication and Active Directory Authorization
          • LDAP Proxy Authentication
            • Authenticate Using SASL and LDAP with ActiveDirectory
            • Authenticate Using SASL and LDAP with OpenLDAP
            • Authenticate and Authorize Users Using Active Directory via Native LDAP
          • LDAP Authorization
        • Internal/Membership Authentication
          • Deploy Replica Set With Keyfile Authentication
          • Update Replica Set to Keyfile Authentication
          • Update Replica Set to Keyfile Authentication (No Downtime)
          • Rotate Keys for Replica Sets
          • Deploy Sharded Cluster with Keyfile Authentication
          • Update Sharded Cluster to Keyfile Authentication
          • Update Sharded Cluster to Keyfile Authentication (No Downtime)
          • Rotate Keys for Sharded Clusters
          • Use x.509 Certificate for Membership Authentication
          • Upgrade from Keyfile Authentication to x.509 Authentication
          • Rolling Update of x.509 Cluster Certificates that Contain New DN
      • Role-Based Access Control
        • Built-In Roles
        • User-Defined Roles
        • Manage Users and Roles
        • Change Your Password and Custom Data
        • Collection-Level Access Control
      • TLS/SSL (Transport Encryption)
        • Configure mongod and mongos for TLS/SSL
        • TLS/SSL Configuration for Clients
        • Upgrade a Cluster to Use TLS/SSL
        • Configure MongoDB for FIPS
      • Encryption at Rest
        • Configure Encryption
        • Rotate Encryption Keys
      • Client-Side Field Level Encryption
        • Automatic Client-Side Field Level Encryption
          • Automatic Encryption Rules
          • Read/Write Support with Automatic Field Level Encryption
          • Appendix
        • Explicit (Manual/) Client-Side Field Level Encryption
        • Master Key and Data Encryption Key Management
          • Manage Data Encryption Keys
        • Limitations
      • Auditing
        • Configure Auditing
        • Configure Audit Filters
        • System Event Audit Messages
      • Network and Configuration Hardening
        • IP Binding
        • Configure Linux iptables Firewall for MongoDB
        • Configure Windows netsh Firewall for MongoDB
      • Implement Field Level Redaction
      • Security Reference
        • system.roles Collection
        • system.users Collection
        • Resource Document
        • Privilege Actions
      • Create a Vulnerability Report
      • Appendix
        • Appendix A - OpenSSL CA Certificate for Testing
        • Appendix B - OpenSSL Server Certificates for Testing
        • Appendix C - OpenSSL Client Certificates for Testing
    • Change Streams
      • Change Streams Production Recommendations
      • Change Events
    • Replication
      • Replica Set Members
        • Replica Set Primary
        • Replica Set Secondary Members
          • Priority 0 Replica Set Members
          • Hidden Replica Set Members
          • Delayed Replica Set Members
        • Replica Set Arbiter
      • Replica Set Oplog
      • Replica Set Data Synchronization
      • Replica Set Deployment Architectures
        • Three Member Replica Sets
        • Replica Sets Distributed Across Two or More Data Centers
      • Replica Set High Availability
        • Replica Set Elections
        • Rollbacks During Replica Set Failover
      • Replica Set Read and Write Semantics
        • Write Concern for Replica Sets
        • Read Preference
        • Server Selection Algorithm
      • Replica Set Deployment Tutorials
        • Deploy a Replica Set
        • Deploy a Replica Set for Testing and Development
        • Deploy a Geographically Redundant Replica Set
        • Add an Arbiter to Replica Set
        • Convert a Standalone to a Replica Set
        • Add Members to a Replica Set
        • Remove Members from Replica Set
        • Replace a Replica Set Member
      • Member Configuration Tutorials
        • Adjust Priority for Replica Set Member
        • Prevent Secondary from Becoming Primary
        • Configure a Hidden Replica Set Member
        • Configure a Delayed Replica Set Member
        • Configure Non-Voting Replica Set Member
        • Convert a Secondary to an Arbiter
      • Replica Set Maintenance Tutorials
        • Change the Size of the Oplog
        • Perform Maintenance on Replica Set Members
        • Force a Member to Become Primary
        • Resync a Member of a Replica Set
        • Configure Replica Set Tag Sets
        • Reconfigure a Replica Set with Unavailable Members
        • Manage Chained Replication
        • Change Hostnames in a Replica Set
        • Configure a Secondary’s Sync Target
      • Replication Reference
        • Replica Set Configuration
        • Replica Set Protocol Version
        • Troubleshoot Replica Sets
        • The local Database
        • Replica Set Member States
        • Read Preference Reference
        • Convert a Master-Slave Deployment to a Replica Set
    • Sharding
      • Sharded Cluster Components
        • Shards
        • Config Servers (metadata)
        • Router (mongos)
      • Shard Keys
      • Hashed Sharding
        • Deploy Sharded Cluster using Hashed Sharding
      • Ranged Sharding
        • Deploy Sharded Cluster using Ranged Sharding
      • Data Partitioning with Chunks
        • Create Chunks in a Sharded Cluster
        • Split Chunks in a Sharded Cluster
        • Merge Chunks in a Sharded Cluster
        • Modify Chunk Size in a Sharded Cluster
      • Balancer
        • Manage Sharded Cluster Balancer
        • Migrate Chunks in a Sharded Cluster
      • Administration
        • Config Server Administration
          • Replace a Config Server
        • View Cluster Configuration
        • Restart a Sharded Cluster
        • Migrate a Sharded Cluster to Different Hardware
        • Add Shards to a Cluster
        • Remove Shards from an Existing Sharded Cluster
        • Clear jumbo Flag
        • Back Up Cluster Metadata
        • Convert Sharded Cluster to Replica Set
        • Convert a Replica Set to a Sharded Cluster
        • Convert a Shard Standalone to a Shard Replica Set
      • Sharding Reference
        • Operational Restrictions
        • Troubleshoot Sharded Clusters
        • Config Database
    • Administration
      • Production Notes
      • Operations Checklist
      • Development Checklist
      • Performance
        • Database Profiler
          • Database Profiler Output
        • Disable Transparent Huge Pages (THP)
        • UNIX ulimit Settings
      • Configuration and Maintenance
        • Run-time Database Configuration
        • Upgrade to the Latest Revision of MongoDB
        • Manage mongod Processes
        • Terminate Running Operations
        • Rotate Log Files
      • Data Center Awareness
        • Workload Isolation in MongoDB Deployments
        • Zones
          • Segmenting Data by Location
          • Tiered Hardware for Varying SLA or SLO
          • Segmenting Data by Application or Customer
          • Distributed Local Writes for Insert Only Workloads
        • Manage Shard Zones
      • MongoDB Backup Methods
        • Back Up and Restore with Filesystem Snapshots
        • Back Up and Restore with MongoDB Tools
        • Restore a Replica Set from MongoDB Backups
        • Backup and Restore Sharded Clusters
          • Back Up a Sharded Cluster with File System Snapshots
          • Back Up a Sharded Cluster with Database Dumps
          • Schedule Backup Window for Sharded Clusters
          • Restore a Sharded Cluster
        • Recover a Standalone after an Unexpected Shutdown
      • Monitoring for MongoDB
        • Free Monitoring
        • Monitor MongoDB With SNMP on Linux
        • Monitor MongoDB Windows with SNMP
        • Troubleshoot SNMP
    • Storage
      • Storage Engines
        • WiredTiger Storage Engine
          • Change Standalone to WiredTiger
          • Change Replica Set to WiredTiger
          • Change Sharded Cluster to WiredTiger
        • In-Memory Storage Engine
      • Journaling
        • Manage Journaling
      • GridFS
    • Frequently Asked Questions
      • FAQ: MongoDB Fundamentals
      • FAQ: Indexes
      • FAQ: Concurrency
      • FAQ: Sharding with MongoDB
      • FAQ: Replication and Replica Sets
      • FAQ: MongoDB Storage
      • FAQ: MongoDB Diagnostics
    • Reference
      • Operators
        • Query and Projection Operators
          • Comparison Query Operators
            • $eq
            • $gt
            • $gte
            • $in
            • $lt
            • $lte
            • $ne
            • $nin
          • Logical Query Operators
            • $and
            • $not
            • $nor
            • $or
          • Element Query Operators
            • $exists
            • $type
          • Evaluation Query Operators
            • $expr
            • $jsonSchema
            • $mod
            • $regex
            • $text
            • $where
          • Geospatial Query Operators
            • $geoIntersects
            • $geoWithin
            • $near
            • $nearSphere
            • $box
            • $center
            • $centerSphere
            • $geometry
            • $maxDistance
            • $minDistance
            • $polygon
            • $uniqueDocs
          • Array Query Operators
            • $all
            • $elemMatch (query)
            • $size
          • Bitwise Query Operators
            • $bitsAllClear
            • $bitsAllSet
            • $bitsAnyClear
            • $bitsAnySet
          • $comment
          • Projection Operators
            • $ (projection)
            • $elemMatch (projection)
            • $meta
            • $slice (projection)
        • Update Operators
          • Field Update Operators
            • $currentDate
            • $inc
            • $min
            • $max
            • $mul
            • $rename
            • $set
            • $setOnInsert
            • $unset
          • Array Update Operators
            • $ (update)
            • $[]
            • $[<identifier>]
            • $addToSet
            • $pop
            • $pull
            • $push
            • $pullAll
            • $each
            • $position
            • $slice
            • $sort
          • Bitwise Update Operator
            • $bit
        • Aggregation Pipeline Stages
          • $addFields (aggregation)
          • $bucket (aggregation)
          • $bucketAuto (aggregation)
          • $collStats (aggregation)
          • $count (aggregation)
          • $currentOp (aggregation)
          • $facet (aggregation)
          • $geoNear (aggregation)
          • $graphLookup (aggregation)
          • $group (aggregation)
          • $indexStats (aggregation)
          • $limit (aggregation)
          • $listLocalSessions
          • $listSessions
          • $lookup (aggregation)
          • $match (aggregation)
          • $merge (aggregation)
          • $out (aggregation)
          • $planCacheStats
          • $project (aggregation)
          • $redact (aggregation)
          • $replaceRoot (aggregation)
          • $replaceWith (aggregation)
          • $sample (aggregation)
          • $set (aggregation)
          • $skip (aggregation)
          • $sort (aggregation)
          • $sortByCount (aggregation)
          • $unset (aggregation)
          • $unwind (aggregation)
        • Aggregation Pipeline Operators
          • $abs (aggregation)
          • $acos (aggregation)
          • $acosh (aggregation)
          • $add (aggregation)
          • $addToSet (aggregation)
          • $allElementsTrue (aggregation)
          • $and (aggregation)
          • $anyElementTrue (aggregation)
          • $arrayElemAt (aggregation)
          • $arrayToObject (aggregation)
          • $asin (aggregation)
          • $asinh (aggregation)
          • $atan (aggregation)
          • $atan2 (aggregation)
          • $atanh (aggregation)
          • $avg (aggregation)
          • $ceil (aggregation)
          • $cmp (aggregation)
          • $concat (aggregation)
          • $concatArrays (aggregation)
          • $cond (aggregation)
          • $convert (aggregation)
          • $cos (aggregation)
          • $dateFromParts (aggregation)
          • $dateToParts (aggregation)
          • $dateFromString (aggregation)
          • $dateToString (aggregation)
          • $dayOfMonth (aggregation)
          • $dayOfWeek (aggregation)
          • $dayOfYear (aggregation)
          • $degreesToRadians (aggregation)
          • $divide (aggregation)
          • $eq (aggregation)
          • $exp (aggregation)
          • $filter (aggregation)
          • $first (aggregation)
          • $floor (aggregation)
          • $gt (aggregation)
          • $gte (aggregation)
          • $hour (aggregation)
          • $ifNull (aggregation)
          • $in (aggregation)
          • $indexOfArray (aggregation)
          • $indexOfBytes (aggregation)
          • $indexOfCP (aggregation)
          • $isArray (aggregation)
          • $isoDayOfWeek (aggregation)
          • $isoWeek (aggregation)
          • $isoWeekYear (aggregation)
          • $last (aggregation)
          • $let (aggregation)
          • $literal (aggregation)
          • $ln (aggregation)
          • $log (aggregation)
          • $log10 (aggregation)
          • $lt (aggregation)
          • $lte (aggregation)
          • $ltrim (aggregation)
          • $map (aggregation)
          • $max (aggregation)
          • $mergeObjects (aggregation)
          • $meta (aggregation)
          • $min (aggregation)
          • $millisecond (aggregation)
          • $minute (aggregation)
          • $mod (aggregation)
          • $month (aggregation)
          • $multiply (aggregation)
          • $ne (aggregation)
          • $not (aggregation)
          • $objectToArray (aggregation)
          • $or (aggregation)
          • $pow (aggregation)
          • $push (aggregation)
          • $radiansToDegrees (aggregation)
          • $range (aggregation)
          • $reduce (aggregation)
          • $regexFind (aggregation)
          • $regexFindAll (aggregation)
          • $regexMatch (aggregation)
          • $reverseArray (aggregation)
          • $round (aggregation)
          • $rtrim (aggregation)
          • $second (aggregation)
          • $setDifference (aggregation)
          • $setEquals (aggregation)
          • $setIntersection (aggregation)
          • $setIsSubset (aggregation)
          • $setUnion (aggregation)
          • $size (aggregation)
          • $sin (aggregation)
          • $slice (aggregation)
          • $split (aggregation)
          • $sqrt (aggregation)
          • $stdDevPop (aggregation)
          • $stdDevSamp (aggregation)
          • $strcasecmp (aggregation)
          • $strLenBytes (aggregation)
          • $strLenCP (aggregation)
          • $substr (aggregation)
          • $substrBytes (aggregation)
          • $substrCP (aggregation)
          • $subtract (aggregation)
          • $sum (aggregation)
          • $switch (aggregation)
          • $tan (aggregation)
          • $toBool (aggregation)
          • $toDate (aggregation)
          • $toDecimal (aggregation)
          • $toDouble(aggregation)
          • $toInt (aggregation)
          • $toLong (aggregation)
          • $toObjectId (aggregation)
          • $toString (aggregation)
          • $toLower (aggregation)
          • $toUpper (aggregation)
          • $trim (aggregation)
          • $trunc (aggregation)
          • $type (aggregation)
          • $week (aggregation)
          • $year (aggregation)
          • $zip (aggregation)
        • Query Modifiers
          • $comment
          • $explain
          • $hint
          • $max
          • $maxTimeMS
          • $min
          • $orderby
          • $query
          • $returnKey
          • $showDiskLoc
          • $natural
      • Database Commands
        • Aggregation Commands
          • aggregate
          • count
          • distinct
          • mapReduce
        • Geospatial Commands
          • geoSearch
        • Query and Write Operation Commands
          • delete
          • find
          • findAndModify
          • getLastError
          • getMore
          • getPrevError
          • insert
          • resetError
          • update
        • Query Plan Cache Commands
          • planCacheClear
          • planCacheClearFilters
          • planCacheListFilters
          • planCacheListPlans
          • planCacheListQueryShapes
          • planCacheSetFilter
        • Authentication Commands
          • authenticate
          • getnonce
          • logout
        • User Management Commands
          • createUser
          • dropAllUsersFromDatabase
          • dropUser
          • grantRolesToUser
          • revokeRolesFromUser
          • updateUser
          • usersInfo
        • Role Management Commands
          • createRole
          • dropRole
          • dropAllRolesFromDatabase
          • grantPrivilegesToRole
          • grantRolesToRole
          • invalidateUserCache
          • revokePrivilegesFromRole
          • revokeRolesFromRole
          • rolesInfo
          • updateRole
        • Replication Commands
          • applyOps
          • isMaster
          • replSetAbortPrimaryCatchUp
          • replSetFreeze
          • replSetGetConfig
          • replSetGetStatus
          • replSetInitiate
          • replSetMaintenance
          • replSetReconfig
          • replSetResizeOplog
          • replSetStepDown
          • replSetSyncFrom
        • Sharding Commands
          • addShard
          • addShardToZone
          • balancerStart
          • balancerStatus
          • balancerStop
          • checkShardingIndex
          • cleanupOrphaned
          • enableSharding
          • flushRouterConfig
          • getShardMap
          • getShardVersion
          • isdbgrid
          • listShards
          • medianKey
          • moveChunk
          • movePrimary
          • mergeChunks
          • removeShard
          • removeShardFromZone
          • setShardVersion
          • shardCollection
          • shardingState
          • split
          • splitChunk
          • splitVector
          • unsetSharding
          • updateZoneKeyRange
        • Sessions Commands
          • abortTransaction
          • commitTransaction
          • endSessions
          • killAllSessions
          • killAllSessionsByPattern
          • killSessions
          • refreshSessions
          • startSession
        • Administration Commands
          • clean
          • cloneCollection
          • cloneCollectionAsCapped
          • collMod
          • compact
          • connPoolSync
          • convertToCapped
          • create
          • createIndexes
          • currentOp
          • drop
          • dropDatabase
          • dropConnections
          • dropIndexes
          • filemd5
          • fsync
          • fsyncUnlock
          • getParameter
          • killCursors
          • killOp
          • listCollections
          • listDatabases
          • listIndexes
          • logRotate
          • reIndex
          • renameCollection
          • setFeatureCompatibilityVersion
          • setParameter
          • shutdown
        • Diagnostic Commands
          • availableQueryOptions
          • buildInfo
          • collStats
          • connPoolStats
          • connectionStatus
          • cursorInfo
          • dataSize
          • dbHash
          • dbStats
          • diagLogging
          • driverOIDTest
          • explain
          • features
          • getCmdLineOpts
          • getLog
          • hostInfo
          • isSelf
          • listCommands
          • netstat
          • ping
          • profile
          • serverStatus
          • shardConnPoolStats
          • top
          • validate
          • whatsmyuri
        • Free Monitoring Commands
          • getFreeMonitoringStatus
          • setFreeMonitoring
        • System Events Auditing Commands
          • logApplicationMessage
      • mongo Shell Methods
        • Collection Methods
          • db.collection.aggregate()
          • db.collection.bulkWrite()
          • db.collection.copyTo()
          • db.collection.count()
          • db.collection.countDocuments()
          • db.collection.estimatedDocumentCount()
          • db.collection.createIndex()
          • db.collection.createIndexes()
          • db.collection.dataSize()
          • db.collection.deleteOne()
          • db.collection.deleteMany()
          • db.collection.distinct()
          • db.collection.drop()
          • db.collection.dropIndex()
          • db.collection.dropIndexes()
          • db.collection.ensureIndex()
          • db.collection.explain()
          • db.collection.find()
          • db.collection.findAndModify()
          • db.collection.findOne()
          • db.collection.findOneAndDelete()
          • db.collection.findOneAndReplace()
          • db.collection.findOneAndUpdate()
          • db.collection.getIndexes()
          • db.collection.getShardDistribution()
          • db.collection.getShardVersion()
          • db.collection.insert()
          • db.collection.insertOne()
          • db.collection.insertMany()
          • db.collection.isCapped()
          • db.collection.latencyStats()
          • db.collection.mapReduce()
          • db.collection.reIndex()
          • db.collection.remove()
          • db.collection.renameCollection()
          • db.collection.replaceOne()
          • db.collection.save()
          • db.collection.stats()
          • db.collection.storageSize()
          • db.collection.totalIndexSize()
          • db.collection.totalSize()
          • db.collection.update()
          • db.collection.updateOne()
          • db.collection.updateMany()
          • db.collection.watch()
          • db.collection.validate()
        • Cursor Methods
          • cursor.addOption()
          • cursor.batchSize()
          • cursor.close()
          • cursor.isClosed()
          • cursor.collation()
          • cursor.comment()
          • cursor.count()
          • cursor.explain()
          • cursor.forEach()
          • cursor.hasNext()
          • cursor.hint()
          • cursor.isExhausted()
          • cursor.itcount()
          • cursor.limit()
          • cursor.map()
          • cursor.max()
          • cursor.maxTimeMS()
          • cursor.min()
          • cursor.next()
          • cursor.noCursorTimeout()
          • cursor.objsLeftInBatch()
          • cursor.pretty()
          • cursor.readConcern()
          • cursor.readPref()
          • cursor.returnKey()
          • cursor.showRecordId()
          • cursor.size()
          • cursor.skip()
          • cursor.sort()
          • cursor.tailable()
          • cursor.toArray()
        • Database Methods
          • db.adminCommand()
          • db.aggregate()
          • db.cloneCollection()
          • db.cloneDatabase()
          • db.commandHelp()
          • db.copyDatabase()
          • db.createCollection()
          • db.createView()
          • db.currentOp()
          • db.dropDatabase()
          • db.eval()
          • db.fsyncLock()
          • db.fsyncUnlock()
          • db.getCollection()
          • db.getCollectionInfos()
          • db.getCollectionNames()
          • db.getLastError()
          • db.getLastErrorObj()
          • db.getLogComponents()
          • db.getMongo()
          • db.getName()
          • db.getPrevError()
          • db.getProfilingLevel()
          • db.getProfilingStatus()
          • db.getReplicationInfo()
          • db.getSiblingDB()
          • db.help()
          • db.hostInfo()
          • db.isMaster()
          • db.killOp()
          • db.listCommands()
          • db.logout()
          • db.printCollectionStats()
          • db.printReplicationInfo()
          • db.printShardingStatus()
          • db.printSlaveReplicationInfo()
          • db.resetError()
          • db.runCommand()
          • db.serverBuildInfo()
          • db.serverCmdLineOpts()
          • db.serverStatus()
          • db.setLogLevel()
          • db.setProfilingLevel()
          • db.shutdownServer()
          • db.stats()
          • db.version()
          • db.watch()
        • Query Plan Cache Methods
          • db.collection.getPlanCache()
          • PlanCache.clear()
          • PlanCache.clearPlansByQuery()
          • PlanCache.getPlansByQuery()
          • PlanCache.help()
          • PlanCache.listQueryShapes()
        • Bulk Operation Methods
          • db.collection.initializeOrderedBulkOp()
          • db.collection.initializeUnorderedBulkOp()
          • Bulk()
          • Bulk.execute()
          • Bulk.find()
          • Bulk.find.arrayFilters()
          • Bulk.find.collation()
          • Bulk.find.hint()
          • Bulk.find.remove()
          • Bulk.find.removeOne()
          • Bulk.find.replaceOne()
          • Bulk.find.updateOne()
          • Bulk.find.update()
          • Bulk.find.upsert()
          • Bulk.getOperations()
          • Bulk.insert()
          • Bulk.tojson()
          • Bulk.toString()
        • User Management Methods
          • db.auth()
          • db.changeUserPassword()
          • db.createUser()
          • db.dropUser()
          • db.dropAllUsers()
          • db.getUser()
          • db.getUsers()
          • db.grantRolesToUser()
          • db.removeUser()
          • db.revokeRolesFromUser()
          • db.updateUser()
          • passwordPrompt()
        • Role Management Methods
          • db.createRole()
          • db.dropRole()
          • db.dropAllRoles()
          • db.getRole()
          • db.getRoles()
          • db.grantPrivilegesToRole()
          • db.revokePrivilegesFromRole()
          • db.grantRolesToRole()
          • db.revokeRolesFromRole()
          • db.updateRole()
        • Replication Methods
          • rs.add()
          • rs.addArb()
          • rs.conf()
          • rs.freeze()
          • rs.help()
          • rs.initiate()
          • rs.printReplicationInfo()
          • rs.printSlaveReplicationInfo()
          • rs.reconfig()
          • rs.remove()
          • rs.slaveOk()
          • rs.status()
          • rs.stepDown()
          • rs.syncFrom()
        • Sharding Methods
          • sh.addShard()
          • sh.addShardTag()
          • sh.addShardToZone()
          • sh.addTagRange()
          • sh.disableBalancing()
          • sh.enableBalancing()
          • sh.disableAutoSplit
          • sh.enableAutoSplit
          • sh.enableSharding()
          • sh.getBalancerHost()
          • sh.getBalancerState()
          • sh.removeTagRange()
          • sh.removeRangeFromZone()
          • sh.help()
          • sh.isBalancerRunning()
          • sh.moveChunk()
          • sh.removeShardTag()
          • sh.removeShardFromZone()
          • sh.setBalancerState()
          • sh.shardCollection()
          • sh.splitAt()
          • sh.splitFind()
          • sh.startBalancer()
          • sh.status()
          • sh.stopBalancer()
          • sh.waitForBalancer()
          • sh.waitForBalancerOff()
          • sh.waitForPingChange()
          • sh.updateZoneKeyRange()
          • convertShardKeyToHashed
        • Free Monitoring Methods
          • db.disableFreeMonitoring()
          • db.enableFreeMonitoring()
          • db.getFreeMonitoringStatus
        • Object Constructors and Methods
          • BulkWriteResult()
          • Date()
          • ObjectId
          • ObjectId.getTimestamp()
          • ObjectId.toString()
          • ObjectId.valueOf()
          • UUID()
          • WriteResult()
          • WriteResult.hasWriteError()
          • WriteResult.hasWriteConcernError()
        • Connection Methods
          • connect()
          • Mongo()
          • Mongo.getDB()
          • Mongo.getReadPrefMode()
          • Mongo.getReadPrefTagSet()
          • Mongo.isCausalConsistency()
          • Mongo.setCausalConsistency()
          • Mongo.setReadPref()
          • Mongo.setSlaveOk()
          • Mongo.startSession()
          • Mongo.watch()
          • Session
            • Session.abortTransaction()
            • Session.commitTransaction()
            • Session.startTransaction()
          • SessionOptions
        • Native Methods
          • cat()
          • cd()
          • copyDbpath()
          • getHostName()
          • getMemInfo()
          • hostname()
          • isInteractive()
          • listFiles()
          • load()
          • ls()
          • md5sumFile()
          • mkdir()
          • pwd()
          • quit()
          • removeFile()
          • resetDbpath()
          • sleep()
          • setVerboseShell()
          • version()
          • _isWindows()
          • _rand()
        • Client-Side Field Level Encryption Methods
          • getKeyVault()
          • KeyVault.createKey()
          • KeyVault.deleteKey()
          • KeyVault.getKey()
          • KeyVault.getKeys()
          • KeyVault.addKeyAlternateName()
          • KeyVault.removeKeyAlternateName()
          • KeyVault.getKeyByAltName()
          • getClientEncryption()
          • ClientEncryption.encrypt()
          • ClientEncryption.decrypt()
      • MongoDB Package Components
        • mongod
        • mongos
        • mongo
        • mongod.exe
        • mongos.exe
        • mongodump
        • mongorestore
        • bsondump
        • mongoimport
        • mongoexport
        • mongostat
        • mongotop
        • mongoreplay
        • mongoldap
        • mongofiles
        • install_compass
      • Configuration File Options
        • Externally Sourced Configuration File Values
        • Convert Command-Line Options to YAML
        • Configuration File Settings and Command-Line Options Mapping
      • MongoDB Server Parameters
      • MongoDB Limits and Thresholds
      • Explain Results
      • System Collections
      • Connection String URI Format
      • Collation
        • Collation Locales and Default Parameters
      • MongoDB Wire Protocol
      • Log Messages
      • Exit Codes and Statuses
      • Glossary
      • Default MongoDB Port
      • Server Sessions
    • Release Notes
      • Release Notes for MongoDB 4.2
        • Compatibility Changes in MongoDB 4.2
        • Upgrade a Standalone to 4.2
        • Upgrade a Replica Set to 4.2
        • Upgrade a Sharded Cluster to 4.2
        • Downgrade 4.2 to 4.0
          • Downgrade 4.2 Standalone to 4.0
          • Downgrade 4.2 Replica Set to 4.0
          • Downgrade 4.2 Sharded Cluster to 4.0
        • 4.2 Changelog
      • Release Notes for MongoDB 4.0
        • Compatibility Changes in MongoDB 4.0
        • Upgrade a Standalone to 4.0
        • Upgrade a Replica Set to 4.0
        • Upgrade a Sharded Cluster to 4.0
        • Downgrade 4.0 Standalone to 3.6
        • Downgrade 4.0 Replica Set to 3.6
        • Downgrade 4.0 Sharded Cluster to 3.6
        • 4.0 Changelog
      • Release Notes for MongoDB 3.6
        • 3.6 Changelog
        • Compatibility Changes in MongoDB 3.6
        • Upgrade a Standalone to 3.6
        • Upgrade a Replica Set to 3.6
        • Upgrade a Sharded Cluster to 3.6
        • Downgrade 3.6 Standalone to 3.4
        • Downgrade 3.6 Replica Set to 3.4
        • Downgrade 3.6 Sharded Cluster to 3.4
      • Release Notes for MongoDB 3.4
        • 3.4 Changelog
        • Compatibility Changes in MongoDB 3.4
        • Upgrade a Standalone to 3.4
        • Upgrade a Replica Set to 3.4
        • Upgrade a Sharded Cluster to 3.4
        • Downgrade MongoDB 3.4 to 3.2
          • Downgrade 3.4 Standalone to 3.2
          • Downgrade 3.4 Replica Set to 3.2
          • Downgrade 3.4 Sharded Cluster to 3.2
      • Release Notes for MongoDB 3.2
        • 3.2 Changelog
        • Compatibility Changes in MongoDB 3.2
          • JavaScript Changes in MongoDB 3.2
        • Upgrade MongoDB to 3.2
        • Downgrade MongoDB from 3.2
      • Release Notes for MongoDB 3.0
        • 3.0 Changelog
        • Upgrade MongoDB to 3.0
        • Upgrade to SCRAM
        • Downgrade MongoDB from 3.0
      • Release Notes for MongoDB 2.6
        • 2.6 Changelog
        • Compatibility Changes in MongoDB 2.6
        • Upgrade MongoDB to 2.6
        • Upgrade User Authorization Data to 2.6 Format
        • Downgrade MongoDB from 2.6
      • Release Notes for MongoDB 2.4
        • 2.4 Changelog
        • JavaScript Changes in MongoDB 2.4
        • Upgrade MongoDB to 2.4
        • Compatibility and Index Type Changes in MongoDB 2.4
      • Release Notes for MongoDB 2.2
      • Release Notes for MongoDB 2.0
      • Release Notes for MongoDB 1.8
      • Release Notes for MongoDB 1.6
      • Release Notes for MongoDB 1.4
      • Release Notes for MongoDB 1.2.x
      • MongoDB Versioning
    • Technical Support
    暂无相关搜索结果！

      本文档使用 BookStack 构建

      展开/收起文章目录

      分享，让知识传承更久远

      文章二维码

      手机扫一扫，轻松掌上读

      文档下载

      • 普通下载
      • 下载码下载(免登录无限下载)
      你与大神的距离，只差一个APP
      APP下载
      请下载您需要的格式的文档，随时随地，享受汲取知识的乐趣！
      PDF文档 EPUB文档 MOBI文档
      温馨提示 每天每在网站阅读学习一分钟时长可下载一本电子书，每天连续签到可增加阅读时长
      下载码方式下载：免费、免登录、无限制。 免费获取下载码

      微信小程序阅读

      BookChat 微信小程序阅读
      您与他人的薪资差距，只差一个随时随地学习的小程序

      书签列表

        阅读记录

        阅读进度: 0.00% ( 0/0 ) 重置阅读进度