DolphinDB
  • Chapter 1: Introduction
  • Chapter 2: Data Types and Data Forms
  • Chapter 3: Objects
  • Chapter 4: Operators
  • Chapter 5: Programming Statements
  • Chapter 6: Data Manipulation
  • Chapter 7: Functional Programming
  • Chapter 8: SQL Statements
  • Chapter 9: File I/O
  • Chapter 10: Database and Distributed Computing
  • Chapter 11: System Management
  • Chapter 12: Programming APIs
  • Chapter 13: Functions and Commands
    • Categories
    • Function References
    • Commands References
      • A
      • C
      • D
      • E
      • F
      • G
      • L
      • M
      • P
      • R
      • S
      • T
      • U
      • W
    • Themes
  • Chapter 14: Error Code Reference
DolphinDB
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  • Chapter 13: Functions and Commands »
  • Commands References

Commands References

Unlike functions, system commands do not return a value.

  • File/directory commands

    • close

    • mkdir

    • rm

    • rmdir

    • saveAsNpy

    • saveTextFile

    • writeLog

  • Database commands

    • addColumn

    • disableActivePartition

    • dropDatabase

    • dropPartition

    • enableActivePartition

    • registerSnapshotEngine

    • saveDatabase

    • saveDualPartition

    • saveModel

    • savePartition

    • saveTable

    • saveText

    • setColumnComment

    • setRetentionPolicy

    • unregisterSnapshotEngine

    • unsubscribeTable

  • Streaming

    • addMetrics

    • clearTablePersistence

    • disableTablePersistence

    • dropAggregator

    • dropStreamEngine

    • dropStreamTable

    • enableTablePersistence

    • enableTableShareAndPersistence

    • setStreamTableFilterColumn

    • stopPublishTable

    • warmupStreamEngine

  • System management

    • clearAllCache

    • closeSessions

    • copyReplicas

    • deleteReplicas

    • getMachineFingerprint

    • moveReplicas

    • print

    • run

    • setSystem

    • sleep

    • test

    • undef

  • Cluster management

    • addNode

    • startDataNode

    • stopDataNode

  • Job Management

    • cancelConsoleJob

    • cancelJob

    • cancelRecoveryTask

    • deleteScheduledJob

    • setMaxJobParallelism

    • setMaxJobPriority

  • User access control

    • addGroupMember

    • addFunctionView

    • changePwd

    • createUser

    • createGroup

    • deleteGroup

    • deleteGroupMember

    • deleteUser

    • deny

    • dropFunctionView

    • grant

    • login

    • logout

    • resetPwd

    • revoke

  • Statistics

    • setRandomSeed

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