PingCAP
  • Cloud
  • TiDB Academy
  • Docs
  • Success Stories
  • Blog
  • Free Download
PingCAP
  • Cloud
  • TiDB Academy
  • Docs
  • Success Stories
  • Blog
  • Free Download

Contact

中文
Documentation
  • Introduction
  • Concepts
    • Architecture
    • Key Features
      • Horizontal Scalability
      • MySQL Compatible Syntax
      • Replicate from and to MySQL
      • Distributed Transactions with Strong Consistency
      • Cloud Native Architecture
      • Minimize ETL with HTAP
      • Fault Tolerance & Recovery with Raft
      • Automatic Rebalancing
      • Deployment and Orchestration with Ansible, Kubernetes, Docker
      • JSON Support
      • Spark Integration
      • Read Historical Data Without Restoring from Backup
      • Fast Import and Restore of Data
      • Hybrid of Column and Row Storage
      • SQL Plan Management
      • Open Source
      • Online Schema Changes
  • How-to
    • Get Started
      • Start a Local Cluster
        • From Binary
        • From Homebrew
        • From DBdeployer
        • In Kubernetes
        • In Docker Compose
      • Explore SQL with TiDB
      • Import Example Database
      • Read Historical Data
      • TiDB Binlog Tutorial
      • TiDB Data Migration Tutorial
      • TiSpark Quick Start Guide
    • Deploy
      • Hardware Recommendations
      • From Binary Tarball
        • For Testing Environments
        • For Production Environments
      • Orchestrated Deployment
        • Ansible Deployment (Recommended)
        • Ansible Offline Deployment
        • Docker Deployment
        • Kubernetes Deployment
      • Geographic Redundancy
        • Overview
        • Configure Location Awareness
      • Data Migration with Ansible
    • Configure
      • Time Zone
      • Memory Control
    • Secure
      • Transport Layer Security (TLS)
        • Enable TLS For MySQL Clients
        • Enable TLS Between TiDB Components
      • Generate Self-signed Certificates
    • Monitor
      • Overview
      • Monitor a TiDB Cluster
    • Migrate
      • Overview
      • Migrate from MySQL
        • Migrate the Full Data
        • Migrate the Incremental Data
      • Migrate from Aurora
      • Migrate from CSV
    • Maintain
      • Common Ansible Operations
      • Backup and Restore
      • Identify Slow Queries
    • Scale
      • Scale using Ansible
      • Scale a TiDB Cluster
    • Upgrade
      • Upgrade to TiDB 3.0
      • Rolling updates with Ansible
      • Upgrade TiDB Data Migration
    • Troubleshoot
      • Troubleshoot Cluster Setup
      • Troubleshoot TiDB Data Migration
      • Troubleshoot TiDB Lightning
  • Reference
    • MySQL Compatibility
    • SQL
      • SQL Language Structure
        • Literal Values
        • Schema Object Names
        • Keywords and Reserved Words
        • User-Defined Variables
        • Expression Syntax
        • Comment Syntax
      • Data Types
        • Overview
        • Default Values
        • Numeric Types
          • BIT
          • BOOL|BOOLEAN
          • TINYINT
          • SMALLINT
          • MEDIUMINT
          • INT|INTEGER
          • BIGINT
          • DECIMAL
          • FLOAT
          • DOUBLE
        • Date and Time Types
          • DATE
          • DATETIME
          • TIMESTAMP
          • TIME
          • YEAR
        • String Types
          • CHAR
          • VARCHAR
          • TEXT
          • LONGTEXT
          • BINARY
          • VARBINARY
          • TINYBLOB
          • BLOB
          • MEDIUMBLOB
          • LONGBLOB
          • ENUM
          • SET
        • JSON Type
      • Functions and Operators
        • Function and Operator Reference
        • Type Conversion in Expression Evaluation
        • Operators
        • Control Flow Functions
        • String Functions
        • Numeric Functions and Operators
        • Date and Time Functions
        • Bit Functions and Operators
        • Cast Functions and Operators
        • Encryption and Compression Functions
        • Information Functions
        • JSON Functions
        • Aggregate (GROUP BY) Functions
        • Miscellaneous Functions
        • Precision Math
      • SQL Statements
        • ADD COLUMN
        • ADD INDEX
        • ADMIN
        • ALTER TABLE
        • ALTER USER
        • ANALYZE TABLE
        • BEGIN
        • COMMIT
        • CREATE DATABASE
        • CREATE INDEX
        • CREATE TABLE LIKE
        • CREATE TABLE
        • CREATE USER
        • CREATE VIEW
        • DEALLOCATE
        • DELETE
        • DESC
        • DESCRIBE
        • DO
        • DROP COLUMN
        • DROP DATABASE
        • DROP INDEX
        • DROP TABLE
        • DROP USER
        • DROP VIEW
        • EXECUTE
        • EXPLAIN ANALYZE
        • EXPLAIN
        • FLUSH PRIVILEGES
        • FLUSH STATUS
        • FLUSH TABLES
        • GRANT <privileges>
        • INSERT
        • KILL [TIDB]
        • LOAD DATA
        • MODIFY COLUMN
        • PREPARE
        • RENAME INDEX
        • RENAME TABLE
        • REPLACE
        • REVOKE <privileges>
        • ROLLBACK
        • SELECT
        • SET [NAMES|CHARACTER SET]
        • SET PASSWORD
        • SET TRANSACTION
        • SET [GLOBAL|SESSION] <variable>
        • SHOW CHARACTER SET
        • SHOW COLLATION
        • SHOW [FULL] COLUMNS FROM
        • SHOW CREATE TABLE
        • SHOW CREATE USER
        • SHOW DATABASES
        • SHOW ENGINES
        • SHOW ERRORS
        • SHOW [FULL] FIELDS FROM
        • SHOW GRANTS
        • SHOW INDEXES [FROM|IN]
        • SHOW INDEX [FROM|IN]
        • SHOW KEYS [FROM|IN]
        • SHOW PRIVILEGES
        • SHOW [FULL] PROCESSSLIST
        • SHOW SCHEMAS
        • SHOW [FULL] TABLES
        • SHOW TABLE STATUS
        • SHOW [GLOBAL|SESSION] VARIABLES
        • SHOW WARNINGS
        • START TRANSACTION
        • TRACE
        • TRUNCATE
        • UPDATE
        • USE
      • Constraints
      • Generated Columns
      • Character Set
    • Configuration
      • tidb-server
        • MySQL System Variables
        • TiDB Specific System Variables
        • Configuration Flags
        • Configuration File
      • pd-server
        • Configuration Flags
      • tikv-server
        • Configuration Flags
    • Security
      • Security Compatibility with MySQL
      • The TiDB Access Privilege System
      • TiDB User Account Management
    • Transactions
      • Overview
      • Transaction Model
      • Isolation Levels
      • Pessimistic Transactions
    • System Databases
      • mysql
      • information_schema
    • Errors Codes
    • Supported Client Drivers
    • Garbage Collection (GC)
    • Performance
      • Overview
      • Understanding the Query Execution Plan
      • Introduction to Statistics
      • Optimizer Hints
      • Tune TiKV
    • Best Practices
    • TiSpark
    • Tools
      • Mydumper
      • Syncer
      • Loader
      • TiDB Data Migration
        • Overview
        • Restrictions
        • Features
          • Table Routing
          • Black and White Lists
          • Binlog Event Filter
          • Column Mapping
          • Replication Delay Monitoring
          • Sharding Support
            • Introduction
            • Restrictions
            • Handle Sharding DDL Locks Manually
        • Usage Scenarios
          • Simple Scenario
          • Shard Merge Scenario
        • Deploy
        • Configure
          • Overview
          • Task Configuration
        • Monitor
        • Manage the Task
        • Cluster Operations
        • Migrate from MySQL compatible database
          • Migrate from Aurora
        • Troubleshoot
      • TiDB Lightning
        • Overview
        • Deployment
        • Checkpoints
        • Table Filter
        • CSV Support
        • Monitor
        • Troubleshoot
        • FAQ
      • TiDB Binlog
        • Overview
        • Deploy
        • Monitor
        • Maintain
        • Upgrade
      • PD Control
      • PD Recover
      • TiKV Control
      • TiDB Control
      • Download
    • Key Monitoring Metrics
      • Overview
      • TiDB
      • PD
      • TiKV
    • Adopters
  • FAQs
    • TiDB FAQs
    • TiDB Lightning FAQs
    • Upgrade FAQs
  • Support
    • Support Resources
    • Report an Issue
  • Contribute
    • Contribute to TiDB
    • Improve the Docs
  • Roadmap
  • Releases
    • v3.0
      • 3.0.0-rc.3
      • 3.0.0-rc.2
      • 3.0.0-rc.1
      • 3.0.0-beta.1
      • 3.0.0-beta
    • v2.1
      • 2.1.13
      • 2.1.12
      • 2.1.11
      • 2.1.10
      • 2.1.9
      • 2.1.8
      • 2.1.7
      • 2.1.6
      • 2.1.5
      • 2.1.4
      • 2.1.3
      • 2.1.2
      • 2.1.1
      • 2.1 GA
      • 2.1 RC5
      • 2.1 RC4
      • 2.1 RC3
      • 2.1 RC2
      • 2.1 RC1
      • 2.1 Beta
    • v2.0
      • 2.0.11
      • 2.0.10
      • 2.0.9
      • 2.0.8
      • 2.0.7
      • 2.0.6
      • 2.0.5
      • 2.0.4
      • 2.0.3
      • 2.0.2
      • 2.0.1
      • 2.0
      • 2.0 RC5
      • 2.0 RC4
      • 2.0 RC3
      • 2.0 RC1
      • 1.1 Beta
      • 1.1 Alpha
    • v1.0
      • 1.0.8
      • 1.0.7
      • 1.0.6
      • 1.0.5
      • 1.0.4
      • 1.0.3
      • 1.0.2
      • 1.0.1
      • 1.0
      • Pre-GA
      • RC4
      • RC3
      • RC2
      • RC1

Connect with us

  • Twitter: @PingCAP
  • Reddit: https://www.reddit.com/r/TiDB/
  • Stack Overflow: https://stackoverflow.com/questions/tagged/tidb
  • Mailing list: Google Group
"Connect with us" was last updated Nov 23 2018: *: add v1.0 and v2.0 docs subdirectories (#760) (cbc4ffb)
dev v3.0 v2.1
Edit this page Request docs changes

What’s on this page

Product

  • TiDB
  • TiSpark
  • Roadmap

Docs

  • Quick Start
  • Best Practices
  • FAQ
  • TiDB Utilities
  • Release Notes

Resources

  • Blog
  • Weekly
  • GitHub
  • TiDB Community

Company

  • About
  • Careers
  • News
  • Contact Us
  • Privacy Policy
  • Terms of Service

Connect

  • Twitter
  • LinkedIn
  • Reddit
  • Google Group
  • Stack Overflow

© 2019 PingCAP. All Rights Reserved.

中文