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# 用户指南

- 关于 TiDB
  - [TiDB 简介](/overview.md)
  - [TiDB 7.1 Release Notes](/releases/release-7.1.0.md)
  - [功能概览](/basic-features.md)
  - [与 MySQL 的兼容性](/mysql-compatibility.md)
  - [使用限制](/tidb-limitations.md)
- 快速上手
  - [快速上手 TiDB](/quick-start-with-tidb.md)
  - [快速上手 HTAP](/quick-start-with-htap.md)
  - [SQL 基本操作](/basic-sql-operations.md)
  - [深入探索 HTAP](/explore-htap.md)
- 教程
  - [单区域多 AZ 部署](/multi-data-centers-in-one-city-deployment.md)
  - [双区域多 AZ 部署](/three-data-centers-in-two-cities-deployment.md)
  - [单区域双 AZ 部署](/two-data-centers-in-one-city-deployment.md)
  - 读取历史数据
    - 使用 Stale Read 功能读取历史数据（推荐）
      - [Stale Read 使用场景介绍](/stale-read.md)
      - [使用 `AS OF TIMESTAMP` 语法读取历史数据](/as-of-timestamp.md)
      - [使用系统变量 `tidb_read_staleness` 读取历史数据](/tidb-read-staleness.md)
      - [使用系统变量 `tidb_external_ts` 读取历史数据](/tidb-external-ts.md)
    - [使用系统变量 `tidb_snapshot` 读取历史数据](/read-historical-data.md)
  - 最佳实践
    - [TiDB 最佳实践](/best-practices/tidb-best-practices.md)
    - [Java 应用开发最佳实践](/best-practices/java-app-best-practices.md)
    - [HAProxy 最佳实践](/best-practices/haproxy-best-practices.md)
    - [高并发写入场景最佳实践](/best-practices/high-concurrency-best-practices.md)
    - [Grafana 监控最佳实践](/best-practices/grafana-monitor-best-practices.md)
    - [PD 调度策略最佳实践](/best-practices/pd-scheduling-best-practices.md)
    - [海量 Region 集群调优](/best-practices/massive-regions-best-practices.md)
    - [三节点混合部署最佳实践](/best-practices/three-nodes-hybrid-deployment.md)
    - [在三数据中心下就近读取数据](/best-practices/three-dc-local-read.md)
    - [使用 UUID](/best-practices/uuid.md)
    - [只读存储节点最佳实践](/best-practices/readonly-nodes.md)
  - [Placement Rules 使用文档](/configure-placement-rules.md)
  - [Load Base Split 使用文档](/configure-load-base-split.md)
  - [Store Limit 使用文档](/configure-store-limit.md)
  - [DDL 执行原理及最佳实践](/ddl-introduction.md)
- 参考指南
  - [系统变量](/system-variables.md)
  - 配置文件参数
    - [tidb-server](/tidb-configuration-file.md)
    - [tikv-server](/tikv-configuration-file.md)
    - [tiflash-server](/tiflash/tiflash-configuration.md)
    - [pd-server](/pd-configuration-file.md)
  - CLI
    - [tikv-ctl](/tikv-control.md)
    - [pd-ctl](/pd-control.md)
    - [tidb-ctl](/tidb-control.md)
    - [pd-recover](/pd-recover.md)
    - [binlog-ctl](/tidb-binlog/binlog-control.md)
  - 命令行参数
    - [tidb-server](/command-line-flags-for-tidb-configuration.md)
    - [tikv-server](/command-line-flags-for-tikv-configuration.md)
    - [tiflash-server](/tiflash/tiflash-command-line-flags.md)
    - [pd-server](/command-line-flags-for-pd-configuration.md)
  - 监控指标
    - [Overview 面板](/grafana-overview-dashboard.md)
    - [Performance Overview 面板](/grafana-performance-overview-dashboard.md)
    - [TiDB 面板](/grafana-tidb-dashboard.md)
    - [PD 面板](/grafana-pd-dashboard.md)
    - [TiKV 面板](/grafana-tikv-dashboard.md)
    - [TiFlash 监控指标](/tiflash/monitor-tiflash.md)
    - [TiCDC 监控指标](/ticdc/monitor-ticdc.md)
    - [Resource Control 监控指标](/grafana-resource-control-dashboard.md)
  - 安全加固
    - [为 TiDB 客户端服务端间通信开启加密传输](/enable-tls-between-clients-and-servers.md)
    - [为 TiDB 组件间通信开启加密传输](/enable-tls-between-components.md)
    - [生成自签名证书](/generate-self-signed-certificates.md)
    - [静态加密](/encryption-at-rest.md)
    - [为 TiDB 落盘文件开启加密](/enable-disk-spill-encrypt.md)
    - [日志脱敏](/log-redaction.md)
  - 权限
    - [与 MySQL 安全特性差异](/security-compatibility-with-mysql.md)
    - [权限管理](/privilege-management.md)
    - [TiDB 用户账户管理](/user-account-management.md)
    - [TiDB 密码管理](/password-management.md)
    - [基于角色的访问控制](/role-based-access-control.md)
    - [TiDB 证书鉴权使用指南](/certificate-authentication.md)
  - SQL
    - SQL 语言结构和语法
      - 属性
        - [AUTO_INCREMENT](/auto-increment.md)
        - [AUTO_RANDOM](/auto-random.md)
        - [SHARD_ROW_ID_BITS](/shard-row-id-bits.md)
      - [字面值](/literal-values.md)
      - [Schema 对象名](/schema-object-names.md)
      - [关键字](/keywords.md)
      - [用户自定义变量](/user-defined-variables.md)
      - [表达式语法](/expression-syntax.md)
      - [注释语法](/comment-syntax.md)
    - SQL 语句
      - [`ADD COLUMN`](/sql-statements/sql-statement-add-column.md)
      - [`ADD INDEX`](/sql-statements/sql-statement-add-index.md)
      - [`ADMIN`](/sql-statements/sql-statement-admin.md)
      - [`ADMIN CANCEL DDL`](/sql-statements/sql-statement-admin-cancel-ddl.md)
      - [`ADMIN CHECKSUM TABLE`](/sql-statements/sql-statement-admin-checksum-table.md)
      - [`ADMIN CHECK [TABLE|INDEX]`](/sql-statements/sql-statement-admin-check-table-index.md)
      - [`ADMIN CLEANUP`](/sql-statements/sql-statement-admin-cleanup.md)
      - [`ADMIN RECOVER INDEX`](/sql-statements/sql-statement-admin-recover.md)
      - [`ADMIN SHOW DDL [JOBS|QUERIES]`](/sql-statements/sql-statement-admin-show-ddl.md)
      - [`ADMIN SHOW TELEMETRY`](/sql-statements/sql-statement-admin-show-telemetry.md)
      - [`ALTER DATABASE`](/sql-statements/sql-statement-alter-database.md)
      - [`ALTER INDEX`](/sql-statements/sql-statement-alter-index.md)
      - [`ALTER INSTANCE`](/sql-statements/sql-statement-alter-instance.md)
      - [`ALTER PLACEMENT POLICY`](/sql-statements/sql-statement-alter-placement-policy.md)
      - [`ALTER RESOURCE GROUP`](/sql-statements/sql-statement-alter-resource-group.md)
      - [`ALTER TABLE`](/sql-statements/sql-statement-alter-table.md)
      - [`ALTER TABLE COMPACT`](/sql-statements/sql-statement-alter-table-compact.md)
      - [`ALTER USER`](/sql-statements/sql-statement-alter-user.md)
      - [`ANALYZE TABLE`](/sql-statements/sql-statement-analyze-table.md)
      - [`BACKUP`](/sql-statements/sql-statement-backup.md)
      - [`BATCH`](/sql-statements/sql-statement-batch.md)
      - [`BEGIN`](/sql-statements/sql-statement-begin.md)
      - [`CALIBRATE RESOURCE`](/sql-statements/sql-statement-calibrate-resource.md)
      - [`CHANGE COLUMN`](/sql-statements/sql-statement-change-column.md)
      - [`CHANGE DRAINER`](/sql-statements/sql-statement-change-drainer.md)
      - [`CHANGE PUMP`](/sql-statements/sql-statement-change-pump.md)
      - [`COMMIT`](/sql-statements/sql-statement-commit.md)
      - [`CREATE [GLOBAL|SESSION] BINDING`](/sql-statements/sql-statement-create-binding.md)
      - [`CREATE DATABASE`](/sql-statements/sql-statement-create-database.md)
      - [`CREATE INDEX`](/sql-statements/sql-statement-create-index.md)
      - [`CREATE PLACEMENT POLICY`](/sql-statements/sql-statement-create-placement-policy.md)
      - [`CREATE RESOURCE GROUP`](/sql-statements/sql-statement-create-resource-group.md)
      - [`CREATE ROLE`](/sql-statements/sql-statement-create-role.md)
      - [`CREATE SEQUENCE`](/sql-statements/sql-statement-create-sequence.md)
      - [`CREATE TABLE LIKE`](/sql-statements/sql-statement-create-table-like.md)
      - [`CREATE TABLE`](/sql-statements/sql-statement-create-table.md)
      - [`CREATE USER`](/sql-statements/sql-statement-create-user.md)
      - [`CREATE VIEW`](/sql-statements/sql-statement-create-view.md)
      - [`DEALLOCATE`](/sql-statements/sql-statement-deallocate.md)
      - [`DELETE`](/sql-statements/sql-statement-delete.md)
      - [`DESC`](/sql-statements/sql-statement-desc.md)
      - [`DESCRIBE`](/sql-statements/sql-statement-describe.md)
      - [`DO`](/sql-statements/sql-statement-do.md)
      - [`DROP [GLOBAL|SESSION] BINDING`](/sql-statements/sql-statement-drop-binding.md)
      - [`DROP COLUMN`](/sql-statements/sql-statement-drop-column.md)
      - [`DROP DATABASE`](/sql-statements/sql-statement-drop-database.md)
      - [`DROP INDEX`](/sql-statements/sql-statement-drop-index.md)
      - [`DROP PLACEMENT POLICY`](/sql-statements/sql-statement-drop-placement-policy.md)
      - [`DROP RESOURCE GROUP`](/sql-statements/sql-statement-drop-resource-group.md)
      - [`DROP ROLE`](/sql-statements/sql-statement-drop-role.md)
      - [`DROP SEQUENCE`](/sql-statements/sql-statement-drop-sequence.md)
      - [`DROP STATS`](/sql-statements/sql-statement-drop-stats.md)
      - [`DROP TABLE`](/sql-statements/sql-statement-drop-table.md)
      - [`DROP USER`](/sql-statements/sql-statement-drop-user.md)
      - [`DROP VIEW`](/sql-statements/sql-statement-drop-view.md)
      - [`EXECUTE`](/sql-statements/sql-statement-execute.md)
      - [`EXPLAIN ANALYZE`](/sql-statements/sql-statement-explain-analyze.md)
      - [`EXPLAIN`](/sql-statements/sql-statement-explain.md)
      - [`FLASHBACK CLUSTER TO TIMESTAMP`](/sql-statements/sql-statement-flashback-to-timestamp.md)
      - [`FLASHBACK DATABASE`](/sql-statements/sql-statement-flashback-database.md)
      - [`FLASHBACK TABLE`](/sql-statements/sql-statement-flashback-table.md)
      - [`FLUSH PRIVILEGES`](/sql-statements/sql-statement-flush-privileges.md)
      - [`FLUSH STATUS`](/sql-statements/sql-statement-flush-status.md)
      - [`FLUSH TABLES`](/sql-statements/sql-statement-flush-tables.md)
      - [`GRANT <privileges>`](/sql-statements/sql-statement-grant-privileges.md)
      - [`GRANT <role>`](/sql-statements/sql-statement-grant-role.md)
      - [`INSERT`](/sql-statements/sql-statement-insert.md)
      - [`KILL [TIDB]`](/sql-statements/sql-statement-kill.md)
      - [`LOAD DATA`](/sql-statements/sql-statement-load-data.md)
      - [`LOAD STATS`](/sql-statements/sql-statement-load-stats.md)
      - [`LOCK STATS`](/sql-statements/sql-statement-lock-stats.md)
      - [`LOCK TABLES` 和 `UNLOCK TABLES`](/sql-statements/sql-statement-lock-tables-and-unlock-tables.md)
      - [`MODIFY COLUMN`](/sql-statements/sql-statement-modify-column.md)
      - [`PREPARE`](/sql-statements/sql-statement-prepare.md)
      - [`RECOVER TABLE`](/sql-statements/sql-statement-recover-table.md)
      - [`RENAME INDEX`](/sql-statements/sql-statement-rename-index.md)
      - [`RENAME TABLE`](/sql-statements/sql-statement-rename-table.md)
      - [`RENAME USER`](/sql-statements/sql-statement-rename-user.md)
      - [`REPLACE`](/sql-statements/sql-statement-replace.md)
      - [`RESTORE`](/sql-statements/sql-statement-restore.md)
      - [`REVOKE <privileges>`](/sql-statements/sql-statement-revoke-privileges.md)
      - [`REVOKE <role>`](/sql-statements/sql-statement-revoke-role.md)
      - [`ROLLBACK`](/sql-statements/sql-statement-rollback.md)
      - [`SAVEPOINT`](/sql-statements/sql-statement-savepoint.md)
      - [`SELECT`](/sql-statements/sql-statement-select.md)
      - [`SET DEFAULT ROLE`](/sql-statements/sql-statement-set-default-role.md)
      - [`SET [NAMES|CHARACTER SET]`](/sql-statements/sql-statement-set-names.md)
      - [`SET PASSWORD`](/sql-statements/sql-statement-set-password.md)
      - [`SET RESOURCE GROUP`](/sql-statements/sql-statement-set-resource-group.md)
      - [`SET ROLE`](/sql-statements/sql-statement-set-role.md)
      - [`SET TRANSACTION`](/sql-statements/sql-statement-set-transaction.md)
      - [`SET [GLOBAL|SESSION] <variable>`](/sql-statements/sql-statement-set-variable.md)
      - [`SHOW [BACKUPS|RESTORES]`](/sql-statements/sql-statement-show-backups.md)
      - [`SHOW ANALYZE STATUS`](/sql-statements/sql-statement-show-analyze-status.md)
      - [`SHOW [GLOBAL|SESSION] BINDINGS`](/sql-statements/sql-statement-show-bindings.md)
      - [`SHOW BUILTINS`](/sql-statements/sql-statement-show-builtins.md)
      - [`SHOW CHARACTER SET`](/sql-statements/sql-statement-show-character-set.md)
      - [`SHOW COLLATION`](/sql-statements/sql-statement-show-collation.md)
      - [`SHOW [FULL] COLUMNS FROM`](/sql-statements/sql-statement-show-columns-from.md)
      - [`SHOW CONFIG`](/sql-statements/sql-statement-show-config.md)
      - [`SHOW CREATE PLACEMENT POLICY`](/sql-statements/sql-statement-show-create-placement-policy.md)
      - [`SHOW CREATE RESOURCE GROUP`](/sql-statements/sql-statement-show-create-resource-group.md)
      - [`SHOW CREATE SEQUENCE`](/sql-statements/sql-statement-show-create-sequence.md)
      - [`SHOW CREATE TABLE`](/sql-statements/sql-statement-show-create-table.md)
      - [`SHOW CREATE DATABASE`](/sql-statements/sql-statement-show-create-database.md)
      - [`SHOW CREATE USER`](/sql-statements/sql-statement-show-create-user.md)
      - [`SHOW DATABASES`](/sql-statements/sql-statement-show-databases.md)
      - [`SHOW DRAINER STATUS`](/sql-statements/sql-statement-show-drainer-status.md)
      - [`SHOW ENGINES`](/sql-statements/sql-statement-show-engines.md)
      - [`SHOW ERRORS`](/sql-statements/sql-statement-show-errors.md)
      - [`SHOW [FULL] FIELDS FROM`](/sql-statements/sql-statement-show-fields-from.md)
      - [`SHOW GRANTS`](/sql-statements/sql-statement-show-grants.md)
      - [`SHOW INDEX [FROM|IN]`](/sql-statements/sql-statement-show-index.md)
      - [`SHOW INDEXES [FROM|IN]`](/sql-statements/sql-statement-show-indexes.md)
      - [`SHOW KEYS [FROM|IN]`](/sql-statements/sql-statement-show-keys.md)
      - [`SHOW MASTER STATUS`](/sql-statements/sql-statement-show-master-status.md)
      - [`SHOW PLACEMENT`](/sql-statements/sql-statement-show-placement.md)
      - [`SHOW PLACEMENT FOR`](/sql-statements/sql-statement-show-placement-for.md)
      - [`SHOW PLACEMENT LABELS`](/sql-statements/sql-statement-show-placement-labels.md)
      - [`SHOW PLUGINS`](/sql-statements/sql-statement-show-plugins.md)
      - [`SHOW PRIVILEGES`](/sql-statements/sql-statement-show-privileges.md)
      - [`SHOW [FULL] PROCESSSLIST`](/sql-statements/sql-statement-show-processlist.md)
      - [`SHOW PROFILES`](/sql-statements/sql-statement-show-profiles.md)
      - [`SHOW PUMP STATUS`](/sql-statements/sql-statement-show-pump-status.md)
      - [`SHOW SCHEMAS`](/sql-statements/sql-statement-show-schemas.md)
      - [`SHOW STATS_HEALTHY`](/sql-statements/sql-statement-show-stats-healthy.md)
      - [`SHOW STATS_HISTOGRAMS`](/sql-statements/sql-statement-show-histograms.md)
      - [`SHOW STATS_LOCKED`](/sql-statements/sql-statement-show-stats-locked.md)
      - [`SHOW STATS_META`](/sql-statements/sql-statement-show-stats-meta.md)
      - [`SHOW STATUS`](/sql-statements/sql-statement-show-status.md)
      - [`SHOW TABLE NEXT_ROW_ID`](/sql-statements/sql-statement-show-table-next-rowid.md)
      - [`SHOW TABLE REGIONS`](/sql-statements/sql-statement-show-table-regions.md)
      - [`SHOW TABLE STATUS`](/sql-statements/sql-statement-show-table-status.md)
      - [`SHOW [FULL] TABLES`](/sql-statements/sql-statement-show-tables.md)
      - [`SHOW [GLOBAL|SESSION] VARIABLES`](/sql-statements/sql-statement-show-variables.md)
      - [`SHOW WARNINGS`](/sql-statements/sql-statement-show-warnings.md)
      - [`SHUTDOWN`](/sql-statements/sql-statement-shutdown.md)
      - [`SPLIT REGION`](/sql-statements/sql-statement-split-region.md)
      - [`START TRANSACTION`](/sql-statements/sql-statement-start-transaction.md)
      - [`TABLE`](/sql-statements/sql-statement-table.md)
      - [`TRACE`](/sql-statements/sql-statement-trace.md)
      - [`TRUNCATE`](/sql-statements/sql-statement-truncate.md)
      - [`UNLOCK STATS`](/sql-statements/sql-statement-unlock-stats.md)
      - [`UPDATE`](/sql-statements/sql-statement-update.md)
      - [`USE`](/sql-statements/sql-statement-use.md)
      - [`WITH`](/sql-statements/sql-statement-with.md)
    - 数据类型
      - [数据类型概述](/data-type-overview.md)
      - [数据类型默认值](/data-type-default-values.md)
      - [数值类型](/data-type-numeric.md)
      - [日期和时间类型](/data-type-date-and-time.md)
      - [字符串类型](/data-type-string.md)
      - [JSON 类型](/data-type-json.md)
    - 函数与操作符
      - [函数与操作符概述](/functions-and-operators/functions-and-operators-overview.md)
      - [表达式求值的类型转换](/functions-and-operators/type-conversion-in-expression-evaluation.md)
      - [操作符](/functions-and-operators/operators.md)
      - [控制流程函数](/functions-and-operators/control-flow-functions.md)
      - [字符串函数](/functions-and-operators/string-functions.md)
      - [数值函数与操作符](/functions-and-operators/numeric-functions-and-operators.md)
      - [日期和时间函数](/functions-and-operators/date-and-time-functions.md)
      - [位函数和操作符](/functions-and-operators/bit-functions-and-operators.md)
      - [Cast 函数和操作符](/functions-and-operators/cast-functions-and-operators.md)
      - [加密和压缩函数](/functions-and-operators/encryption-and-compression-functions.md)
      - [锁函数](/functions-and-operators/locking-functions.md)
      - [信息函数](/functions-and-operators/information-functions.md)
      - [JSON 函数](/functions-and-operators/json-functions.md)
      - [GROUP BY 聚合函数](/functions-and-operators/aggregate-group-by-functions.md)
      - [窗口函数](/functions-and-operators/window-functions.md)
      - [其它函数](/functions-and-operators/miscellaneous-functions.md)
      - [精度数学](/functions-and-operators/precision-math.md)
      - [集合运算](/functions-and-operators/set-operators.md)
      - [下推到 TiKV 的表达式列表](/functions-and-operators/expressions-pushed-down.md)
      - [TiDB 特有的函数](/functions-and-operators/tidb-functions.md)
      - [Oracle 与 TiDB 函数和语法差异对照](/oracle-functions-to-tidb.md)
    - [聚簇索引](/clustered-indexes.md)
    - [约束](/constraints.md)
    - [生成列](/generated-columns.md)
    - [SQL 模式](/sql-mode.md)
    - [表属性](/table-attributes.md)
    - 事务
      - [事务概览](/transaction-overview.md)
      - [隔离级别](/transaction-isolation-levels.md)
      - [乐观事务](/optimistic-transaction.md)
      - [悲观事务](/pessimistic-transaction.md)
      - [非事务 DML 语句](/non-transactional-dml.md)
    - [视图](/views.md)
    - [分区表](/partitioned-table.md)
    - [临时表](/temporary-tables.md)
    - [缓存表](/cached-tables.md)
    - [外键约束](/foreign-key.md)
    - 字符集和排序
      - [概述](/character-set-and-collation.md)
      - [GBK](/character-set-gbk.md)
    - [Placement Rules in SQL](/placement-rules-in-sql.md)
    - 系统表
      - [`mysql`](/mysql-schema.md)
      - INFORMATION_SCHEMA
        - [Overview](/information-schema/information-schema.md)
        - [`ANALYZE_STATUS`](/information-schema/information-schema-analyze-status.md)
        - [`CLIENT_ERRORS_SUMMARY_BY_HOST`](/information-schema/client-errors-summary-by-host.md)
        - [`CLIENT_ERRORS_SUMMARY_BY_USER`](/information-schema/client-errors-summary-by-user.md)
        - [`CLIENT_ERRORS_SUMMARY_GLOBAL`](/information-schema/client-errors-summary-global.md)
        - [`CHARACTER_SETS`](/information-schema/information-schema-character-sets.md)
        - [`CLUSTER_CONFIG`](/information-schema/information-schema-cluster-config.md)
        - [`CLUSTER_HARDWARE`](/information-schema/information-schema-cluster-hardware.md)
        - [`CLUSTER_INFO`](/information-schema/information-schema-cluster-info.md)
        - [`CLUSTER_LOAD`](/information-schema/information-schema-cluster-load.md)
        - [`CLUSTER_LOG`](/information-schema/information-schema-cluster-log.md)
        - [`CLUSTER_SYSTEMINFO`](/information-schema/information-schema-cluster-systeminfo.md)
        - [`COLLATIONS`](/information-schema/information-schema-collations.md)
        - [`COLLATION_CHARACTER_SET_APPLICABILITY`](/information-schema/information-schema-collation-character-set-applicability.md)
        - [`COLUMNS`](/information-schema/information-schema-columns.md)
        - [`DATA_LOCK_WAITS`](/information-schema/information-schema-data-lock-waits.md)
        - [`DDL_JOBS`](/information-schema/information-schema-ddl-jobs.md)
        - [`DEADLOCKS`](/information-schema/information-schema-deadlocks.md)
        - [`ENGINES`](/information-schema/information-schema-engines.md)
        - [`INSPECTION_RESULT`](/information-schema/information-schema-inspection-result.md)
        - [`INSPECTION_RULES`](/information-schema/information-schema-inspection-rules.md)
        - [`INSPECTION_SUMMARY`](/information-schema/information-schema-inspection-summary.md)
        - [`KEY_COLUMN_USAGE`](/information-schema/information-schema-key-column-usage.md)
        - [`MEMORY_USAGE`](/information-schema/information-schema-memory-usage.md)
        - [`MEMORY_USAGE_OPS_HISTORY`](/information-schema/information-schema-memory-usage-ops-history.md)
        - [`METRICS_SUMMARY`](/information-schema/information-schema-metrics-summary.md)
        - [`METRICS_TABLES`](/information-schema/information-schema-metrics-tables.md)
        - [`PARTITIONS`](/information-schema/information-schema-partitions.md)
        - [`PLACEMENT_POLICIES`](/information-schema/information-schema-placement-policies.md)
        - [`PROCESSLIST`](/information-schema/information-schema-processlist.md)
        - [`REFERENTIAL_CONSTRAINTS`](/information-schema/information-schema-referential-constraints.md)
        - [`RESOURCE_GROUPS`](/information-schema/information-schema-resource-groups.md)
        - [`SCHEMATA`](/information-schema/information-schema-schemata.md)
        - [`SEQUENCES`](/information-schema/information-schema-sequences.md)
        - [`SESSION_VARIABLES`](/information-schema/information-schema-session-variables.md)
        - [`SLOW_QUERY`](/information-schema/information-schema-slow-query.md)
        - [`STATISTICS`](/information-schema/information-schema-statistics.md)
        - [`TABLES`](/information-schema/information-schema-tables.md)
        - [`TABLE_CONSTRAINTS`](/information-schema/information-schema-table-constraints.md)
        - [`TABLE_STORAGE_STATS`](/information-schema/information-schema-table-storage-stats.md)
        - [`TIDB_HOT_REGIONS`](/information-schema/information-schema-tidb-hot-regions.md)
        - [`TIDB_HOT_REGIONS_HISTORY`](/information-schema/information-schema-tidb-hot-regions-history.md)
        - [`TIDB_INDEXES`](/information-schema/information-schema-tidb-indexes.md)
        - [`TIDB_SERVERS_INFO`](/information-schema/information-schema-tidb-servers-info.md)
        - [`TIDB_TRX`](/information-schema/information-schema-tidb-trx.md)
        - [`TIFLASH_REPLICA`](/information-schema/information-schema-tiflash-replica.md)
        - [`TIFLASH_SEGMENTS`](/information-schema/information-schema-tiflash-segments.md)
        - [`TIFLASH_TABLES`](/information-schema/information-schema-tiflash-tables.md)
        - [`TIKV_REGION_PEERS`](/information-schema/information-schema-tikv-region-peers.md)
        - [`TIKV_REGION_STATUS`](/information-schema/information-schema-tikv-region-status.md)
        - [`TIKV_STORE_STATUS`](/information-schema/information-schema-tikv-store-status.md)
        - [`USER_ATTRIBUTES`](/information-schema/information-schema-user-attributes.md)
        - [`USER_PRIVILEGES`](/information-schema/information-schema-user-privileges.md)
        - [`VARIABLES_INFO`](/information-schema/information-schema-variables-info.md)
        - [`VIEWS`](/information-schema/information-schema-views.md)
      - [`METRICS_SCHEMA`](/metrics-schema.md)
    - [元数据锁](/metadata-lock.md)
  - [遥测](/telemetry.md)
  - [错误码](/error-codes.md)
  - [通过拓扑 label 进行副本调度](/schedule-replicas-by-topology-labels.md)
  - [白名单插件](/plugin-allowlist.md)
  - 内部组件介绍
    - [TiDB 后端任务分布式并行执行框架](/tidb-distributed-execution-framework.md)
- 常见问题解答 (FAQ)
  - [产品 FAQ](/faq/tidb-faq.md)
  - [SQL FAQ](/faq/sql-faq.md)
  - [高可用 FAQ](/faq/high-availability-faq.md)
  - [高可靠 FAQ](/faq/high-reliability-faq.md)
- [术语表](/glossary.md)