CrateDB v4.6 Reference
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SHOW (session settings)

来源 doubao 浏览 2 扫码 打印 2026-10-23 14:30:03
  • SHOW (session settings)
    • Synopsis
    • Parameters

SHOW (session settings)

The SHOW statement can display the value of either one or all session setting variables. Some of these can also be configured via SET SESSION.

Synopsis

1. SHOW { parameter_name | ALL }

Parameters

parameter_name

The name of the session setting which should be printed. See Session settings for available session settings.

ALL

Show the values of all settings.

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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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