CrateDB v4.6 Reference
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Concepts

来源 doubao 浏览 2 扫码 打印 2026-10-23 14:27:28
  • Concepts

Concepts

This section of the documentation covers important CrateDB concepts.

  • Joins
  • Clustering
  • Storage and consistency
  • Resiliency
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  • SUMMARY.md
  • Tutorials
    • Installation
    • First use
    • Create user
    • Create sharded table
    • Generate time series data
    • Normalize time series data intervals
  • How-To Guides
    • CrateDB and Linux
      • Run CrateDB on Debian GNU/Linux
      • Run CrateDB on Red Hat Linux
      • Run CrateDB on Ubuntu
    • CrateDB and containers
      • Run CrateDB on Docker
      • Run CrateDB on Kubernetes
    • CrateDB and cloud hosting
      • Run CrateDB on Amazon Web Services (AWS)
      • Run CrateDB on Microsoft Azure
    • Rolling upgrade
    • Full restart upgrade
    • Bootstrap checks
    • CrateDB multi-node setup
    • CrateDB multi-zone setup
    • Scaling CrateDB on Kubernetes
    • Memory configuration
    • Sharding guide
    • Insert performance
      • Insert methods
      • Bulk inserts
      • Parallel inserts
      • Configuration tuning for inserts
      • Testing inserts performance
    • Select performance
    • Migrating from MySQL
    • Migrating from MongoDB
    • Troubleshooting with sys-tables
    • Troubleshooting with the crate-node command
    • CrateDB on Azure IoT
    • Distributed Machine Learning At The Edge
    • Data Ingestion using Kafka and Kafka Connect
    • Data Stream Pipelines with CrateDB and StreamSets Data Collector
    • Data Enrichment using IoT Hubs, Azure Functions and CrateDB
    • CrateDB with R
    • Reports with CrateDB and Power BI Desktop
    • Real Time Reports with CrateDB and Power BI
    • Distributed Deep-Learning with CrateDB and TensorFlow
    • Troubleshooting CrateDB on Docker with jcmd
  • Reference
    • Concepts
      • Joins
      • Clustering
      • Storage and consistency
      • Resiliency
    • CLI tools
    • Configuration
      • Node-specific settings
      • Cluster-wide settings
      • Session settings
      • Logging
      • Environment variables
    • General use
      • Data definition
        • Creating tables
        • Data types
        • System columns
        • Generated columns
        • Constraints
        • Storage
        • Partitioned tables
        • Sharding
        • Replication
        • Shard allocation filtering
        • Column policy
        • Fulltext indices
        • Fulltext analyzers
        • Show Create Table
        • Views
        • Altering tables
      • Data manipulation
      • Querying
        • Selecting data
        • Joins
        • Union All
        • Refresh
        • Fulltext search
        • Geo search
      • Built-in functions and operators
        • Scalar functions
        • Aggregation
        • Arithmetic operators
        • Table functions
        • Comparison operators
        • Array comparisons
        • Subquery expressions
        • Window functions
      • User-defined functions
      • Blobs
      • Optimistic Concurrency Control
      • Information schema
    • Administration
      • System information
      • Runtime configuration
      • User management
      • Privileges
      • Authentication
        • Authentication Methods
        • Host-Based Authentication (HBA)
      • Secured communications (SSL/TLS)
      • Optimization
      • Jobs management
      • JMX monitoring
      • Snapshots
      • Cloud discovery
      • Usage Data Collector
    • SQL syntax
      • General SQL
        • Constraints
        • Value expressions
        • Lexical structure
      • SQL Statements
        • ALTER CLUSTER
        • ALTER TABLE
        • ALTER USER
        • ANALYZE
        • BEGIN
        • START TRANSACTION
        • COMMIT
        • COPY FROM
        • COPY TO
        • CREATE ANALYZER
        • CREATE BLOB TABLE
        • CREATE FUNCTION
        • CREATE REPOSITORY
        • CREATE SNAPSHOT
        • CREATE TABLE
        • CREATE TABLE AS
        • CREATE USER
        • CREATE VIEW
        • DEALLOCATE
        • DELETE
        • DENY
        • DISCARD
        • DROP ANALYZER
        • DROP FUNCTION
        • DROP REPOSITORY
        • DROP SNAPSHOT
        • DROP TABLE
        • DROP USER
        • DROP VIEW
        • EXPLAIN
        • GRANT
        • INSERT
        • KILL
        • OPTIMIZE
        • REFRESH
        • RESTORE SNAPSHOT
        • REVOKE
        • SELECT
        • SET and RESET
        • SET LICENSE
        • SET AND RESET SESSION AUTHORIZATION
        • SET TRANSACTION
        • SHOW COLUMNS
        • SHOW CREATE TABLE
        • SHOW SCHEMAS
        • SHOW TABLES
        • SHOW (session settings)
        • UPDATE
        • VALUES
    • Client interfaces
      • HTTP endpoint
      • PostgreSQL wire protocol
    • Appendices
      • Release Notes
        • Unreleased Changes
        • Version 4.6.1
        • Version 4.6.0
        • Version 4.5.4
        • Version 4.5.3
        • Version 4.5.2
        • Version 4.5.1
        • Version 4.5.0
        • Version 4.4.3
        • Version 4.4.2
        • Version 4.4.1
        • Version 4.4.0
        • Version 4.3.4
        • Version 4.3.3
        • Version 4.3.2
        • Version 4.3.1
        • Version 4.3.0
        • Version 4.2.7
        • Version 4.2.6
        • Version 4.2.5
        • Version 4.2.4
        • Version 4.2.3
        • Version 4.2.2
        • Version 4.2.1
        • Version 4.2.0
        • Version 4.1.8
        • Version 4.1.7
        • Version 4.1.6
        • Version 4.1.5
        • Version 4.1.4
        • Version 4.1.3
        • Version 4.1.2
        • Version 4.1.1
        • Version 4.1.0
        • Version 4.0.12
        • Version 4.0.11
        • Version 4.0.10
        • Version 4.0.9
        • Version 4.0.8
        • Version 4.0.7
        • Version 4.0.6
        • Version 4.0.5
        • Version 4.0.4
        • Version 4.0.3
        • Version 4.0.2
        • Version 4.0.1
        • Version 4.0.0
        • Version 3.3.6
        • Version 3.3.5
        • Version 3.3.4
        • Version 3.3.3
        • Version 3.3.2
        • Version 3.3.1
        • Version 3.3.0
        • Version 3.2.8
        • Version 3.2.7
        • Version 3.2.6
        • Version 3.2.5
        • Version 3.2.4
        • Version 3.2.3
        • Version 3.2.2
        • Version 3.2.1
        • Version 3.2.0
        • Version 3.1.6
        • Version 3.1.5
        • Version 3.1.4
        • Version 3.1.3
        • Version 3.1.2
        • Version 3.1.1
        • Version 3.1.0
        • Version 3.0.7
        • Version 3.0.6
        • Version 3.0.5
        • Version 3.0.4
        • Version 3.0.3
        • Version 3.0.2
        • Version 3.0.1
        • Version 3.0.0
        • Version 2.3.11
        • Version 2.3.10
        • Version 2.3.9
        • Version 2.3.8
        • Version 2.3.7
        • Version 2.3.6
        • Version 2.3.5
        • Version 2.3.4
        • Version 2.3.3
        • Version 2.3.2
        • Version 2.3.1
        • Version 2.3.0
        • Version 2.2.7
        • Version 2.2.6
        • Version 2.2.5
        • Version 2.2.4
        • Version 2.2.3
        • Version 2.2.2
        • Version 2.2.1
        • Version 2.2.0
        • Version 2.1.10
        • Version 2.1.9
        • Version 2.1.8
        • Version 2.1.7
        • Version 2.1.6
        • Version 2.1.5
        • Version 2.1.4
        • Version 2.1.3
        • Version 2.1.2
        • Version 2.1.1
        • Version 2.1.0
        • Version 2.0.7
        • Version 2.0.6
        • Version 2.0.5
        • Version 2.0.4
        • Version 2.0.3
        • Version 2.0.2
        • Version 2.0.1
        • Version 2.0.0
        • Version 1.2.0
        • Version 1.1.6
        • Version 1.1.5
        • Version 1.1.4
        • Version 1.1.3
        • Version 1.1.2
        • Version 1.1.1
        • Version 1.1.0
        • Version 1.0.6
        • Version 1.0.5
        • Version 1.0.4
        • Version 1.0.3
        • Version 1.0.2
        • Version 1.0.1
        • Version 1.0.0
      • SQL compatibility
      • SQL standard compliance
      • Resiliency Issues
      • Glossary
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