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TiDB v8.1 Documentation
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SQL Tuning
TiDB试用
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2024-06-19 20:49:13
Overview
Understanding the Query Execution Plan
SQL Optimization Process
Control Execution Plans
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TiDB v8.1 Documentation
TiDB v8.1 中文文档
TiDB v7.5 中文文档
TiDB v7.1 中文文档
TiDB v7.1 Documentation
TiDB v6.5 中文文档
TiDB v6.1 中文文档
TiDB v6.0 中文文档
TiDB v5.4 用户手册
TiDB v5.3 用户手册
TiDB v5.2 用户手册
TiDB v5.1 用户手册
TiDB v5.0 用户文档
TiDB实战(TiDB in Action)
TiDB v4.0 用户文档
TiDB v3.1 用户文档
TiDB v2.1 用户文档
TiDB v2.0 中文技术文档
SUMMARY
About TiDB
TiDB Introduction
Features
MySQL Compatibility
TiDB Limitations
Credits
Roadmap
Quick Start
Try Out TiDB
Try Out HTAP
Learn TiDB SQL
Learn HTAP
Import Example Database
Develop
Overview
Quick Start
Build a TiDB Serverless Cluster
CRUD SQL in TiDB
Example Applications
Java
JDBC
MyBatis
Hibernate
Spring Boot
Go
Go-MySQL-Driver
GORM
Python
mysqlclient
MySQL Connector/Python
PyMySQL
SQLAlchemy
peewee
Django
Node.js
node-mysql2
mysql.js
Prisma
Sequelize
TypeORM
Next.js
AWS Lambda
Ruby
mysql2
Rails
Connect to TiDB
GUI Database Tools
JetBrains DataGrip
DBeaver
VS Code
MySQL Workbench
Navicat
Choose Driver or ORM
Connect to TiDB
Connection Pools and Connection Parameters
Design Database Schema
Overview
Create a Database
Create a Table
Create a Secondary Index
Write Data
Insert Data
Update Data
Delete Data
Periodically Delete Data Using Time to Live
Prepared Statements
Read Data
Query Data from a Single Table
Multi-table Join Queries
Subquery
Paginate Results
Views
Temporary Tables
Common Table Expression
Read Replica Data
Follower Read
Stale Read
HTAP Queries
Transaction
Overview
Optimistic and Pessimistic Transactions
Transaction Restraints
Handle Transaction Errors
Optimize
Overview
SQL Performance Tuning
Best Practices for Performance Tuning
Best Practices for Indexing
Other Optimization Methods
Avoid Implicit Type Conversions
Unique Serial Number Generation
Troubleshoot
SQL or Transaction Issues
Unstable Result Set
Timeouts
Reference
Bookshop Example Application
Guidelines
Object Naming Convention
SQL Development Specifications
Cloud Native Development Environment
Gitpod
Third-Party Support
Third-Party Tools Supported by TiDB
Known Incompatibility Issues with Third-Party Tools
ProxySQL Integration Guide
Amazon AppFlow Integration Guide
Deploy
Software and Hardware Requirements
Environment Configuration Checklist
Plan Cluster Topology
Minimal Topology
TiFlash Topology
TiProxy Topology
TiCDC Topology
TiDB Binlog Topology
TiSpark Topology
Cross-DC Topology
Hybrid Topology
Install and Start
Use TiUP
Deploy on Kubernetes
Verify Cluster Status
Test Cluster Performance
Test TiDB Using Sysbench
Test TiDB Using TPC-C
Test TiDB Using CH-benCHmark
Migrate
Overview
Migration Tools
Import Best Practices
Migration Scenarios
Migrate from Aurora
Migrate Small Datasets from MySQL
Migrate Large Datasets from MySQL
Migrate and Merge MySQL Shards of Small Datasets
Migrate and Merge MySQL Shards of Large Datasets
Migrate from MariaDB
Migrate from CSV Files
Migrate from SQL Files
Migrate from Parquet Files
Migrate from One TiDB Cluster to Another TiDB Cluster
Migrate from TiDB to MySQL-compatible Databases
Advanced Migration
Continuous Replication with gh-ost or pt-osc
Filter Binlog Events
Filter DML Events Using SQL Expressions
Integrate
Overview
Integration Scenarios
Integrate with Confluent and Snowflake
Integrate with Apache Kafka and Apache Flink
Maintain
Upgrade
Use TiUP
Use TiDB Operator
TiDB Smooth Upgrade
TiFlash Upgrade Guide
Scale
Use TiUP (Recommended)
Use TiDB Operator
Backup and Restore
Overview
Architecture
Architecture Overview
Snapshot Backup and Restore Architecture
Log Backup and PITR Architecture
Use BR
Use Overview
Snapshot Backup and Restore Guide
Log Backup and PITR Guide
Use Cases
Backup Storages
BR CLI Manuals
Overview
Snapshot Backup and Restore Command Manual
Log Backup and PITR Command Manual
References
BR Features
Backup Auto-Tune
Batch Create Table
Checkpoint Backup
Checkpoint Restore
Back up and Restore Data Using Dumpling and TiDB Lightning
Back Up and Restore RawKV
Incremental Backup and Restore
Cluster Disaster Recovery (DR)
DR Solutions Overview
Primary-Secondary DR
Multi-Replica Cluster DR
BR-based DR
Resource Control
Configure Time Zone
Daily Checklist
Maintain TiFlash
Maintain TiDB Using TiUP
Modify Configuration Dynamically
Online Unsafe Recovery
Replicate Data Between Primary and Secondary Clusters
Monitor and Alert
Monitoring Framework Overview
Monitoring API
Deploy Monitoring Services
Upgrade Monitoring Services
Export Grafana Snapshots
TiDB Cluster Alert Rules
TiFlash Alert Rules
Customize Configurations of Monitoring Servers
BR Monitoring and Alert
Troubleshoot
Issue Summary
TiDB Troubleshooting Map
Troubleshoot TiDB Cluster Setup
Troubleshoot TiFlash
Issue Scenarios
Slow Queries
Identify Slow Queries
Analyze Slow Queries
TiDB OOM
Hotspot
Increased Read and Write Latency
Write Conflicts in Optimistic Transactions
High Disk I/O Usage
Lock Conflicts
Inconsistency Between Data and Indexes
Diagnostic Methods
SQL Diagnostics
Statement Summary Tables
Identify Expensive Queries Using Logs
Save and Restore the On-Site Information of a Cluster
Understanding Stale Read and safe-ts in TiKV
Support Resources
Performance Tuning
Tuning Guide
Performance Tuning Overview
Performance Analysis and Tuning
Performance Tuning Practices for OLTP Scenarios
TiFlash Performance Analysis Methods
TiCDC Performance Analysis Methods
Latency Breakdown
TiDB Best Practices on Public Cloud
Configuration Tuning
Tune Operating System Performance
Tune TiDB Memory
Tune TiKV Threads
Tune TiKV Memory
TiKV Follower Read
Tune Region Performance
Tune TiFlash Performance
Coprocessor Cache
Garbage Collection (GC)
Overview
Configuration
SQL Tuning
Overview
Understanding the Query Execution Plan
Overview
EXPLAIN Walkthrough
Indexes
Joins
MPP Queries
Subqueries
Aggregation
Views
Partitions
Index Merge
SQL Optimization Process
Overview
Logic Optimization
Overview
Subquery Related Optimizations
Column Pruning
Decorrelation of Correlated Subquery
Eliminate Max/Min
Predicates Push Down
Partition Pruning
TopN and Limit Push Down
Join Reorder
Derive TopN or Limit from Window Functions
Physical Optimization
Overview
Index Selection
Statistics
Extended Statistics
Wrong Index Solution
Distinct Optimization
Cost Model
Runtime Filter
Prepared Execution Plan Cache
Non-Prepared Execution Plan Cache
Control Execution Plans
Overview
Optimizer Hints
SQL Plan Management
The Blocklist of Optimization Rules and Expression Pushdown
Optimizer Fix Controls
Tutorials
Multiple Availability Zones in One Region Deployment
Three Availability Zones in Two Regions Deployment
Two Availability Zones in One Region Deployment
Read Historical Data
Use Stale Read (Recommended)
Usage Scenarios of Stale Read
Perform Stale Read UsingAs OF TIMESTAMP
Perform Stale Read Usingtidb_read_staleness
Perform Stale Read Usingtidb_external_ts
Use thetidb_snapshot System Variable
Best Practices
Use TiDB
Java Application Development
Use HAProxy
Highly Concurrent Write
Grafana Monitoring
PD Scheduling
TiKV Performance Tuning with Massive Regions
Three-node Hybrid Deployment
Local Read Under Three Data Centers Deployment
Use UUIDs
Read-Only Storage Nodes
Use Placement Rules
Use Load Base Split
Use Store Limit
DDL Execution Principles and Best Practices
Use PD Microservices
TiDB Tools
Overview
Use Cases
Download
TiUP
Documentation Map
Overview
Terminology and Concepts
Manage TiUP Components
FAQ
Troubleshooting Guide
Command Reference
Overview
TiUP Commands
tiup clean
tiup completion
tiup env
tiup help
tiup install
tiup list
tiup mirror
tiup status
tiup telemetry
tiup uninstall
tiup update
TiUP Cluster Commands
Overview
tiup cluster audit
tiup cluster audit cleanup
tiup cluster check
tiup cluster clean
tiup cluster deploy
tiup cluster destroy
tiup cluster disable
tiup cluster display
tiup cluster edit-config
tiup cluster enable
tiup cluster help
tiup cluster import
tiup cluster list
tiup cluster meta backup
tiup cluster meta restore
tiup cluster patch
tiup cluster prune
tiup cluster reload
tiup cluster rename
tiup cluster replay
tiup cluster restart
tiup cluster scale-in
tiup cluster scale-out
tiup cluster start
tiup cluster stop
tiup cluster template
tiup cluster upgrade
TiUP DM Commands
Overview
tiup dm audit
tiup dm deploy
tiup dm destroy
tiup dm disable
tiup dm display
tiup dm edit-config
tiup dm enable
tiup dm help
tiup dm import
tiup dm list
tiup dm patch
tiup dm prune
tiup dm reload
tiup dm replay
tiup dm restart
tiup dm scale-in
tiup dm scale-out
tiup dm start
tiup dm stop
tiup dm template
tiup dm upgrade
TiDB Cluster Topology Reference
DM Cluster Topology Reference
Mirror Reference Guide
TiUP Components
tiup-playground
tiup-cluster
tiup-mirror
tiup-bench
TiDB Operator
TiDB Data Migration
About TiDB Data Migration
Architecture
Quick Start
Best Practices
Deploy a DM cluster
Hardware and Software Requirements
Use TiUP (Recommended)
Use TiUP Offline
Use Binary
Use Kubernetes
Tutorials
Create a Data Source
Manage Data Sources
Configure Tasks
Shard Merge
Table Routing
Block and Allow Lists
Binlog Event Filter
Filter DMLs Using SQL Expressions
Online DDL Tool Support
Customize a Secret Key for Encryption and Decryption
Manage a Data Migration Task
Precheck a Task
Create a Task
Query Status
Pause a Task
Resume a Task
Stop a Task
Advanced Tutorials
Merge and Migrate Data from Sharded Tables
Overview
Pessimistic Mode
Optimistic Mode
Manually Handle Sharding DDL Lock
Migrate from MySQL Databases that Use GH-ost/PT-osc
Migrate Data to a Downstream TiDB Table with More Columns
Continuous Data Validation
Maintain
Cluster Upgrade
Maintain DM Clusters Using TiUP (Recommended)
Manually Upgrade from v1.0.x to v2.0+
Tools
Manage Using WebUI
Manage Using dmctl
Performance Tuning
Benchmarks
Optimize Configurations
Test DM Performance
Handle Performance Issues
Manage Data Sources
Switch the MySQL Instance to Be Migrated
Manage Tasks
Handle Failed DDL Statements
Manage Schemas of Tables to be Migrated
Export and Import Data Sources and Task Configurations of Clusters
Handle Alerts
Daily Check
Reference
Architecture
DM-worker
Safe Mode
Relay Log
DDL Handling
Mechanism
DML Replication Mechanism
Command Line
DM-master & DM-worker
Configuration Files
Overview
Upstream Database Configurations
Task Configurations
DM-master Configuration
DM-worker Configuration
Table Selector
OpenAPI
Compatibility Catalog
Secure
Enable TLS for DM Connections
Generate Self-signed Certificates
Monitoring and Alerts
Monitoring Metrics
Alert Rules
Error Codes
Glossary
Example
Migrate Data Using DM
Create a Data Migration Task
Best Practices of Data Migration in the Shard Merge Scenario
Troubleshoot
FAQ
Handle Errors
Release Notes
TiDB Lightning
Overview
IMPORT INTO vs. TiDB Lightning
Compatibility of TiDB Lightning andIMPORT INTO with TiCDC and Log Backup
Get Started
Deploy TiDB Lightning
Target Database Requirements
Data Sources
Data Match Rules
Rename databases and tables
CSV
SQL
Parquet
Compressed files
Customized File
Import data from Amazon S3
Physical Import Mode
Requirements and Limitations
Use Physical Import Mode
Logical Import Mode
Requirements and Limitations
Use Logical Import Mode
Prechecks
Checkpoints
Import Data in Parallel
Error Resolution
Troubleshooting
Reference
Configuration File
Command Line Flags
Monitoring
Web Interface
FAQ
Glossary
Dumpling
TiCDC
Overview
Deploy and Maintain
Changefeed
Overview
Create Changefeeds
Replicate Data to MySQL-compatible Databases
Replicate Data to Kafka
Replicate Data to Pulsar
Replicate Data to Storage Services
Manage Changefeeds
TiCDC Client Authentication
Log Filter
DDL Replication
Bidirectional Replication
Data Integrity Validation for Single-Row Data
Data Consistency Validation for TiDB Upstream/Downstream Clusters
TiCDC Behavior Changes
Monitor and Alert
Monitoring Metrics Summary
Alert Rules
Reference
Architecture
TiCDC Server Configurations
TiCDC Changefeed Configurations
Output Protocols
TiCDC Avro Protocol
TiCDC Canal-JSON Protocol
TiCDC CSV Protocol
TiCDC Debezium Protocol
TiCDC Open Protocol
TiCDC Simple Protocol
TiCDC Open API v2
TiCDC Open API v1
TiCDC Data Consumption
TiCDC Row Data Checksum Verification Based on Avro
Guide for Developing a Storage Sink Consumer
Compatibility
Troubleshoot
FAQs
Glossary
TiDB Binlog
Overview
Quick Start
Deploy
Maintain
Configure
Pump
Drainer
Upgrade
Monitor
Reparo
binlogctl
Binlog Consumer Client
TiDB Binlog Relay Log
Bidirectional Replication Between TiDB Clusters
Glossary
Troubleshoot
Troubleshoot
Handle Errors
FAQ
PingCAP Clinic Diagnostic Service
Overview
Quick Start
Troubleshoot Clusters Using PingCAP Clinic
PingCAP Clinic Diagnostic Data
TiSpark
User Guide
sync-diff-inspector
Overview
Data Check for Tables with Different Schema/Table Names
Data Check in the Sharding Scenario
Data Check in the DM Replication Scenario
TiProxy
Overview
Configuration
Command Line Parameters
Monitoring Metrics
API
Troubleshooting
Performance Test
Reference
Cluster Architecture
Overview
Storage
Computing
Scheduling
TSO
Storage Engine - TiKV
TiKV Overview
RocksDB Overview
Titan Overview
Titan Configuration
Partitioned Raft KV
Storage Engine - TiFlash
Overview
Create TiFlash Replicas
Use TiDB to Read TiFlash Replicas
Use TiSpark to Read TiFlash Replicas
Use MPP Mode
Use FastScan
Disaggregated Storage and Compute Architecture and S3 Support
Supported Push-down Calculations
TiFlash Query Result Materialization
TiFlash Late Materialization
Spill to Disk
Data Validation
Compatibility
Pipeline Execution Model
TiDB Distributed eXecution Framework (DXF)
Introduction
TiDB Global Sort
System Variables
Server Status Variables
Configuration File Parameters
tidb-server
tikv-server
tiflash-server
pd-server
CLI
tikv-ctl
pd-ctl
tidb-ctl
pd-recover
Command Line Flags
tidb-server
tikv-server
tiflash-server
pd-server
Key Monitoring Metrics
Overview
Performance Overview
TiDB
PD
TiKV
TiFlash
TiCDC
Resource Control
Security
Enable TLS Between TiDB Clients and Servers
Enable TLS Between TiDB Components
Generate Self-signed Certificates
Encryption at Rest
Enable Encryption for Disk Spill
Log Redaction
Privileges
Security Compatibility with MySQL
Privilege Management
User Account Management
TiDB Password Management
Role-Based Access Control
Certificate-Based Authentication
SQL
SQL Language Structure and Syntax
Attributes
AUTO_INCREMENT
AUTO_RANDOM
SHARD_ROW_ID_BITS
Literal Values
Schema Object Names
Keywords and Reserved Words
User-Defined Variables
Expression Syntax
Comment Syntax
SQL Statements
ADD COLUMN
ADD INDEX
ADMIN
ADMIN CANCEL DDL
ADMIN CHECKSUM TABLE
ADMIN CHECK [TABLE|INDEX]
ADMIN CLEANUP
ADMIN PAUSE DDL
ADMIN RECOVER INDEX
ADMIN RESUME DDL
ADMIN [SET|SHOW|UNSET] BDR ROLE
ADMIN SHOW DDL [JOBS|JOB QUERIES]
ADMIN SHOW TELEMETRY
ALTER DATABASE
ALTER INDEX
ALTER INSTANCE
ALTER PLACEMENT POLICY
ALTER RANGE
ALTER RESOURCE GROUP
ALTER SEQUENCE
ALTER TABLE
ALTER TABLE COMPACT
ALTER USER
ANALYZE TABLE
BACKUP
BATCH
BEGIN
CALIBRATE RESOURCE
CANCEL IMPORT JOB
CHANGE COLUMN
COMMIT
CHANGE DRAINER
CHANGE PUMP
CREATE BINDING
CREATE DATABASE
CREATE INDEX
CREATE PLACEMENT POLICY
CREATE RESOURCE GROUP
CREATE ROLE
CREATE SEQUENCE
CREATE TABLE LIKE
CREATE TABLE
CREATE USER
CREATE VIEW
DEALLOCATE
DELETE
DESC
DESCRIBE
DO
DROP BINDING
DROP COLUMN
DROP DATABASE
DROP INDEX
DROP PLACEMENT POLICY
DROP RESOURCE GROUP
DROP ROLE
DROP SEQUENCE
DROP STATS
DROP TABLE
DROP USER
DROP VIEW
EXECUTE
EXPLAIN ANALYZE
EXPLAIN
FLASHBACK CLUSTER
FLASHBACK DATABASE
FLASHBACK TABLE
FLUSH PRIVILEGES
FLUSH STATUS
FLUSH TABLES
GRANT <privileges>
GRANT <role>
IMPORT INTO
INSERT
KILL
LOAD DATA
LOAD STATS
LOCK STATS
[LOCK|UNLOCK] TABLES
MODIFY COLUMN
PREPARE
QUERY WATCH
RECOVER TABLE
RENAME USER
RENAME INDEX
RENAME TABLE
REPLACE
RESTORE
REVOKE <privileges>
REVOKE <role>
ROLLBACK
SAVEPOINT
SELECT
SET DEFAULT ROLE
SET [NAMES|CHARACTER SET]
SET PASSWORD
SET RESOURCE GROUP
SET ROLE
SET TRANSACTION
SET <variable>
SHOW ANALYZE STATUS
SHOW [BACKUPS|RESTORES]
SHOW BINDINGS
SHOW BUILTINS
SHOW CHARACTER SET
SHOW COLLATION
SHOW COLUMN_STATS_USAGE
SHOW COLUMNS FROM
SHOW CONFIG
SHOW CREATE DATABASE
SHOW CREATE PLACEMENT POLICY
SHOW CREATE RESOURCE GROUP
SHOW CREATE SEQUENCE
SHOW CREATE TABLE
SHOW CREATE USER
SHOW DATABASES
SHOW DRAINER STATUS
SHOW ENGINES
SHOW ERRORS
SHOW FIELDS FROM
SHOW GRANTS
SHOW IMPORT JOB
SHOW INDEXES
SHOW MASTER STATUS
SHOW PLACEMENT
SHOW PLACEMENT FOR
SHOW PLACEMENT LABELS
SHOW PLUGINS
SHOW PRIVILEGES
SHOW PROCESSSLIST
SHOW PROFILES
SHOW PUMP STATUS
SHOW SCHEMAS
SHOW STATS_BUCKETS
SHOW STATS_HEALTHY
SHOW STATS_HISTOGRAMS
SHOW STATS_LOCKED
SHOW STATS_META
SHOW STATS_TOPN
SHOW STATUS
SHOW TABLE NEXT_ROW_ID
SHOW TABLE REGIONS
SHOW TABLE STATUS
SHOW TABLES
SHOW VARIABLES
SHOW WARNINGS
SHUTDOWN
SPLIT REGION
START TRANSACTION
TABLE
TRACE
TRUNCATE
UNLOCK STATS
UPDATE
USE
WITH
Data Types
Overview
Default Values
Numeric Types
Date and Time Types
String Types
JSON Type
Functions and Operators
Overview
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
Locking Functions
Information Functions
JSON Functions
Aggregate (GROUP BY) Functions
GROUP BY Modifiers
Window Functions
Miscellaneous Functions
Precision Math
Set Operations
Sequence Functions
List of Expressions for Pushdown
TiDB Specific Functions
Comparisons between Functions and Syntax of Oracle and TiDB
Clustered Indexes
Constraints
Generated Columns
SQL Mode
Table Attributes
Transactions
Overview
Isolation Levels
Optimistic Transactions
Pessimistic Transactions
Non-Transactional DML Statements
Views
Partitioning
Temporary Tables
Cached Tables
FOREIGN KEY Constraints
Character Set and Collation
Overview
GBK
Placement Rules in SQL
System Tables
mysql
INFORMATION_SCHEMA
Overview
ANALYZE_STATUS
CHECK_CONSTRAINTS
CLIENT_ERRORS_SUMMARY_BY_HOST
CLIENT_ERRORS_SUMMARY_BY_USER
CLIENT_ERRORS_SUMMARY_GLOBAL
CHARACTER_SETS
CLUSTER_CONFIG
CLUSTER_HARDWARE
CLUSTER_INFO
CLUSTER_LOAD
CLUSTER_LOG
CLUSTER_SYSTEMINFO
COLLATIONS
COLLATION_CHARACTER_SET_APPLICABILITY
COLUMNS
DATA_LOCK_WAITS
DDL_JOBS
DEADLOCKS
ENGINES
INSPECTION_RESULT
INSPECTION_RULES
INSPECTION_SUMMARY
KEYWORDS
KEY_COLUMN_USAGE
MEMORY_USAGE
MEMORY_USAGE_OPS_HISTORY
METRICS_SUMMARY
METRICS_TABLES
PARTITIONS
PLACEMENT_POLICIES
PROCESSLIST
REFERENTIAL_CONSTRAINTS
RESOURCE_GROUPS
RUNAWAY_WATCHES
SCHEMATA
SEQUENCES
SESSION_VARIABLES
SLOW_QUERY
STATISTICS
TABLES
TABLE_CONSTRAINTS
TABLE_STORAGE_STATS
TIDB_HOT_REGIONS
TIDB_HOT_REGIONS_HISTORY
TIDB_INDEXES
TIDB_INDEX_USAGE
TIDB_SERVERS_INFO
TIDB_TRX
TIFLASH_REPLICA
TIFLASH_SEGMENTS
TIFLASH_TABLES
TIKV_REGION_PEERS
TIKV_REGION_STATUS
TIKV_STORE_STATUS
USER_ATTRIBUTES
USER_PRIVILEGES
VARIABLES_INFO
VIEWS
METRICS_SCHEMA
PERFORMANCE_SCHEMA
Overview
SESSION_CONNECT_ATTRS
SYS
Overview
schema_unused_indexes
Metadata Lock
TiDB Accelerated Table Creation
UI
TiDB Dashboard
Overview
Maintain
Deploy
Reverse Proxy
User Management
Secure
Access
Overview Page
Cluster Info Page
Top SQL Page
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SQL Statements Analysis
SQL Statements Page
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Slow Queries Page
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Access Cluster Diagnostics Page
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Share Session
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FAQ
Telemetry
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Table Filter
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URI Formats of External Storage Services
FAQs
FAQ Summary
TiDB FAQs
SQL FAQs
Deployment FAQs
Migration FAQs
Upgrade FAQs
Monitoring FAQs
Cluster Management FAQs
High Availability FAQs
High Reliability FAQs
Backup and Restore FAQs
Release Notes
All Releases
Release Timeline
TiDB Versioning
TiDB Installation Packages
v8.1
8.1.0
v8.0
8.0.0-DMR
v7.6
7.6.0-DMR
v7.5
7.5.2
7.5.1
7.5.0
v7.4
7.4.0-DMR
v7.3
7.3.0-DMR
v7.2
7.2.0-DMR
v7.1
7.1.5
7.1.4
7.1.3
7.1.2
7.1.1
7.1.0
v7.0
7.0.0-DMR
v6.6
6.6.0-DMR
v6.5
6.5.9
6.5.8
6.5.7
6.5.6
6.5.5
6.5.4
6.5.3
6.5.2
6.5.1
6.5.0
v6.4
6.4.0-DMR
v6.3
6.3.0-DMR
v6.2
6.2.0-DMR
v6.1
6.1.7
6.1.6
6.1.5
6.1.4
6.1.3
6.1.2
6.1.1
6.1.0
v6.0
6.0.0-DMR
v5.4
5.4.3
5.4.2
5.4.1
5.4.0
v5.3
5.3.4
5.3.3
5.3.2
5.3.1
5.3.0
v5.2
5.2.4
5.2.3
5.2.2
5.2.1
5.2.0
v5.1
5.1.5
5.1.4
5.1.3
5.1.2
5.1.1
5.1.0
v5.0
5.0.6
5.0.5
5.0.4
5.0.3
5.0.2
5.0.1
5.0 GA
5.0.0-rc
v4.0
4.0.16
4.0.15
4.0.14
4.0.13
4.0.12
4.0.11
4.0.10
4.0.9
4.0.8
4.0.7
4.0.6
4.0.5
4.0.4
4.0.3
4.0.2
4.0.1
4.0 GA
4.0.0-rc.2
4.0.0-rc.1
4.0.0-rc
4.0.0-beta.2
4.0.0-beta.1
4.0.0-beta
v3.1
3.1.2
3.1.1
3.1.0 GA
3.1.0-rc
3.1.0-beta.2
3.1.0-beta.1
3.1.0-beta
v3.0
3.0.20
3.0.19
3.0.18
3.0.17
3.0.16
3.0.15
3.0.14
3.0.13
3.0.12
3.0.11
3.0.10
3.0.9
3.0.8
3.0.7
3.0.6
3.0.5
3.0.4
3.0.3
3.0.2
3.0.1
3.0 GA
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
2.1.19
2.1.18
2.1.17
2.1.16
2.1.15
2.1.14
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
Glossary
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