From 2a28941d9664ca2ac84fa3f03dced81983bb1842 Mon Sep 17 00:00:00 2001
From: Aolin <aolin.zhang@pingcap.com>
Date: Tue, 14 May 2024 14:37:17 +0800
Subject: [PATCH 1/2] information_schema: Add links

---
 .../information-schema-analyze-status.md              | 11 ++++++-----
 .../information-schema-character-sets.md              |  7 +++++++
 ...on-schema-collation-character-set-applicability.md |  7 +++++++
 information-schema/information-schema-collations.md   |  7 +++++++
 information-schema/information-schema-columns.md      |  4 ++++
 information-schema/information-schema-engines.md      |  8 ++++----
 information-schema/information-schema-memory-usage.md |  5 +++++
 information-schema/information-schema-partitions.md   |  6 +++++-
 information-schema/information-schema-processlist.md  |  8 ++------
 .../information-schema-referential-constraints.md     |  2 +-
 information-schema/information-schema-schemata.md     |  4 +---
 information-schema/information-schema-sequences.md    |  8 ++++++++
 .../information-schema-session-variables.md           |  2 +-
 information-schema/information-schema-slow-query.md   |  2 +-
 .../information-schema-table-constraints.md           |  2 +-
 .../information-schema-user-privileges.md             |  4 ++++
 .../information-schema-variables-info.md              |  2 +-
 information-schema/information-schema-views.md        |  7 ++++++-
 18 files changed, 71 insertions(+), 25 deletions(-)

diff --git a/information-schema/information-schema-analyze-status.md b/information-schema/information-schema-analyze-status.md
index cee9b2baf225..2634c0fbbaaa 100644
--- a/information-schema/information-schema-analyze-status.md
+++ b/information-schema/information-schema-analyze-status.md
@@ -11,8 +11,6 @@ summary: 了解 information_schema 表 `ANALYZE_STATUS`。
 
 从 TiDB v6.1.0 起，可以通过系统表 `mysql.analyze_jobs` 查看过去 7 天内的历史任务记录。
 
-{{< copyable "sql" >}}
-
 ```sql
 USE information_schema;
 DESC analyze_status;
@@ -40,8 +38,6 @@ DESC analyze_status;
 14 rows in set (0.00 sec)
 ```
 
-{{< copyable "sql" >}}
-
 ```sql
 SELECT * FROM information_schema.analyze_status;
 ```
@@ -76,4 +72,9 @@ SELECT * FROM information_schema.analyze_status;
 * `PROCESS_ID`：执行任务的 process ID。
 * `REMAINING_SECONDS`：执行任务预计还需要多少秒才能完成。
 * `PROGRESS`：执行任务的进度。
-* `ESTIMATED_TOTAL_ROWS`：执行任务需要分析的总行数。
\ No newline at end of file
+* `ESTIMATED_TOTAL_ROWS`：执行任务需要分析的总行数。
+
+## 另请参阅
+
+- [`ANALYZE TABLE`](/sql-statements/sql-statement-analyze-table.md)
+- [`SHOW ANALYZE STATUS`](/sql-statements/sql-statement-show-analyze-status.md)
\ No newline at end of file
diff --git a/information-schema/information-schema-character-sets.md b/information-schema/information-schema-character-sets.md
index 336f15540b6f..2f92cd4ad367 100644
--- a/information-schema/information-schema-character-sets.md
+++ b/information-schema/information-schema-character-sets.md
@@ -54,3 +54,10 @@ SELECT * FROM `CHARACTER_SETS`;
 * `DEFAULT_COLLATE_NAME`：字符集的默认排序规则名称
 * `DESCRIPTION`：字符集的描述信息
 * `MAXLEN`：该字符集存储一个字符所需要的最大字节数
+
+## 另请参阅
+
+- [`SHOW CHARACTER SET`](/sql-statements/sql-statement-show-character-set.md)
+- [`SHOW COLLATION`](/sql-statements/sql-statement-show-collation.md)
+- [`INFORMATION_SCHEMA.COLLATIONS`](/information-schema/information-schema-collations.md)
+- [`INFORMATION_SCHEMA.COLLATION_CHARACTER_SET_APPLICABILITY`](/information-schema/information-schema-collation-character-set-applicability.md)
\ No newline at end of file
diff --git a/information-schema/information-schema-collation-character-set-applicability.md b/information-schema/information-schema-collation-character-set-applicability.md
index 0bc65e477b4f..a0035f058247 100644
--- a/information-schema/information-schema-collation-character-set-applicability.md
+++ b/information-schema/information-schema-collation-character-set-applicability.md
@@ -47,3 +47,10 @@ SELECT * FROM COLLATION_CHARACTER_SET_APPLICABILITY WHERE character_set_name='ut
 
 * `COLLATION_NAME`：排序规则名称
 * `CHARACTER_SET_NAME`：排序规则所属的字符集名称
+
+## 另请参阅
+
+- [`SHOW CHARACTER SET`](/sql-statements/sql-statement-show-character-set.md)
+- [`SHOW COLLATION`](/sql-statements/sql-statement-show-collation.md)
+- [`INFORMATION_SCHEMA.CHARACTER_SETS`](/information-schema/information-schema-character-sets.md)
+- [`INFORMATION_SCHEMA.COLLATIONS`](/information-schema/information-schema-collations.md)
\ No newline at end of file
diff --git a/information-schema/information-schema-collations.md b/information-schema/information-schema-collations.md
index 54c724178e5f..ffc027b78d28 100644
--- a/information-schema/information-schema-collations.md
+++ b/information-schema/information-schema-collations.md
@@ -53,3 +53,10 @@ SELECT * FROM collations WHERE character_set_name='utf8mb4';
 * `IS_DEFAULT`：该排序规则是否是所属字符集的默认排序规则
 * `IS_COMPILED`：字符集是否编译到服务器中
 * `SORTLEN`：排序规则在对字符进行排序时，所分配内存的最小长度
+
+## 另请参阅
+
+- [`SHOW CHARACTER SET`](/sql-statements/sql-statement-show-character-set.md)
+- [`SHOW COLLATION`](/sql-statements/sql-statement-show-collation.md)
+- [`INFORMATION_SCHEMA.CHARACTER_SETS`](/information-schema/information-schema-character-sets.md)
+- [`INFORMATION_SCHEMA.COLLATION_CHARACTER_SET_APPLICABILITY`](/information-schema/information-schema-collation-character-set-applicability.md)
\ No newline at end of file
diff --git a/information-schema/information-schema-columns.md b/information-schema/information-schema-columns.md
index f5b9dafafccb..05b2c86117ed 100644
--- a/information-schema/information-schema-columns.md
+++ b/information-schema/information-schema-columns.md
@@ -122,3 +122,7 @@ SHOW COLUMNS FROM t1 FROM test;
 +-------+---------+------+------+---------+-------+
 1 row in set (0.00 sec)
 ```
+
+## 另请参阅
+
+- [`SHOW COLUMNS FROM`](/sql-statements/sql-statement-show-columns-from.md)
\ No newline at end of file
diff --git a/information-schema/information-schema-engines.md b/information-schema/information-schema-engines.md
index e411a32766ac..640e66baef61 100644
--- a/information-schema/information-schema-engines.md
+++ b/information-schema/information-schema-engines.md
@@ -7,8 +7,6 @@ summary: 了解 information_schema 表 `ENGINES`。
 
 `ENGINES` 表提供了关于存储引擎的信息。从和 MySQL 兼容性上考虑，TiDB 会一直将 InnoDB 描述为唯一支持的引擎。此外，`ENGINES` 表中其它列值也都是定值。
 
-{{< copyable "sql" >}}
-
 ```sql
 USE information_schema;
 DESC engines;
@@ -28,8 +26,6 @@ DESC engines;
 6 rows in set (0.00 sec)
 ```
 
-{{< copyable "sql" >}}
-
 ```sql
 SELECT * FROM engines;
 ```
@@ -51,3 +47,7 @@ SELECT * FROM engines;
 * `TRANSACTIONS`：存储引擎是否支持事务。
 * `XA`：存储引擎是否支持 XA 事务。
 * `SAVEPOINTS`：存储引擎是否支持 `savepoints`。
+
+## 另请参阅
+
+- [`SHOW ENGINES`](/sql-statements/sql-statement-show-engines.md)
\ No newline at end of file
diff --git a/information-schema/information-schema-memory-usage.md b/information-schema/information-schema-memory-usage.md
index 88d66e37eb3f..8348c03b61e6 100644
--- a/information-schema/information-schema-memory-usage.md
+++ b/information-schema/information-schema-memory-usage.md
@@ -59,3 +59,8 @@ SELECT * FROM information_schema.memory_usage;
 * GC_TOTAL：从 TiDB 启动到当前累计由内存使用触发 Golang GC 的次数。
 * DISK_USAGE：当前数据落盘的硬盘使用量，单位为 byte。
 * QUERY_FORCE_DISK：从 TiDB 启动到当前累计的落盘次数。
+
+## 另请参阅
+
+- [TiDB 内存控制](/configure-memory-usage.md)
+- [TiKV 内存参数性能调优](/tune-tikv-memory-performance.md)
\ No newline at end of file
diff --git a/information-schema/information-schema-partitions.md b/information-schema/information-schema-partitions.md
index 6878aea234a8..007113f7b1b1 100644
--- a/information-schema/information-schema-partitions.md
+++ b/information-schema/information-schema-partitions.md
@@ -5,7 +5,7 @@ summary: 了解 INFORMATION_SCHEMA 表 `PARTITIONS`。
 
 # PARTITIONS
 
-`PARTITIONS` 表提供有关分区表的信息。
+`PARTITIONS` 表提供有关[分区表](/partitioned-table.md)的信息。
 
 ```sql
 USE INFORMATION_SCHEMA;
@@ -115,3 +115,7 @@ SUBPARTITION_ORDINAL_POSITION: NULL
    TIDB_PLACEMENT_POLICY_NAME: NULL
 2 rows in set (0.00 sec)
 ```
+
+## 另请参阅
+
+- [用 EXPLAIN 查看分区查询的执行计划](/explain-partitions.md)
\ No newline at end of file
diff --git a/information-schema/information-schema-processlist.md b/information-schema/information-schema-processlist.md
index 68fa2f3d36df..ab8493cdf741 100644
--- a/information-schema/information-schema-processlist.md
+++ b/information-schema/information-schema-processlist.md
@@ -5,7 +5,7 @@ summary: 了解 information_schema 表 `PROCESSLIST`。
 
 # PROCESSLIST
 
-`PROCESSLIST` 和 `SHOW PROCESSLIST` 的功能一样，都是查看当前正在处理的请求。
+`PROCESSLIST` 和 [`SHOW PROCESSLIST`](/sql-statements/sql-statement-show-processlist.md) 的功能一样，都是查看当前正在处理的请求。
 
 `PROCESSLIST` 表比 `SHOW PROCESSLIST` 的结果多出下面几列：
 
@@ -15,8 +15,6 @@ summary: 了解 information_schema 表 `PROCESSLIST`。
 * `TxnStart`列：显示事务的开始时间。
 * `RESOURCE_GROUP`列：显示对应的资源组名称。
 
-{{< copyable "sql" >}}
-
 ```sql
 USE information_schema;
 DESC processlist;
@@ -43,8 +41,6 @@ DESC processlist;
 13 rows in set (0.00 sec)
 ```
 
-{{< copyable "sql" >}}
-
 ```sql
 SELECT * FROM processlist\G
 ```
@@ -90,7 +86,7 @@ SELECT * FROM processlist\G
 {{< copyable "sql" >}}
 
 ```sql
-SELECT * FROM cluster_processlist;
+SELECT * FROM information_schema.cluster_processlist;
 ```
 
 ```sql
diff --git a/information-schema/information-schema-referential-constraints.md b/information-schema/information-schema-referential-constraints.md
index 8e962fe64513..74ee8558e355 100644
--- a/information-schema/information-schema-referential-constraints.md
+++ b/information-schema/information-schema-referential-constraints.md
@@ -5,7 +5,7 @@ summary: 了解 INFORMATION_SCHEMA 表 `REFERENTIAL_CONSTRAINTS`。
 
 # REFERENTIAL_CONSTRAINTS
 
-`REFERENTIAL_CONSTRAINTS` 表提供 TiDB 表之间 `FOREIGN KEY` 关系的信息。
+`REFERENTIAL_CONSTRAINTS` 表提供 TiDB 表之间 [`FOREIGN KEY`](/foreign-key.md) 关系的信息。
 
 ```sql
 USE INFORMATION_SCHEMA;
diff --git a/information-schema/information-schema-schemata.md b/information-schema/information-schema-schemata.md
index 4d16554ca7c6..e0424de83342 100644
--- a/information-schema/information-schema-schemata.md
+++ b/information-schema/information-schema-schemata.md
@@ -5,7 +5,7 @@ summary: 了解 information_schema 表 `SCHEMATA`。
 
 # SCHEMATA
 
-`SCHEMATA` 表提供了关于数据库的信息。表中的数据与 `SHOW DATABASES` 语句的执行结果等价。
+`SCHEMATA` 表提供了关于数据库的信息。表中的数据与 [`SHOW DATABASES`](/sql-statements/sql-statement-show-databases.md) 语句的执行结果等价。
 
 {{< copyable "sql" >}}
 
@@ -27,8 +27,6 @@ desc SCHEMATA;
 5 rows in set (0.00 sec)
 ```
 
-{{< copyable "sql" >}}
-
 ```sql
 SELECT * FROM SCHEMATA;
 ```
diff --git a/information-schema/information-schema-sequences.md b/information-schema/information-schema-sequences.md
index 814324b4b543..5578536c3515 100644
--- a/information-schema/information-schema-sequences.md
+++ b/information-schema/information-schema-sequences.md
@@ -74,3 +74,11 @@ SEQUENCE_SCHEMA: test
         COMMENT:
 1 row in set (0.00 sec)
 ```
+
+## 另请参阅
+
+- [`CREATE SEQUENCE`](/sql-statements/sql-statement-create-sequence.md)
+- [`SHOW CREATE SEQUENCE`](/sql-statements/sql-statement-show-create-sequence.md)
+- [`ALTER SEQUENCE`](/sql-statements/sql-statement-alter-sequence.md)
+- [`DROP SEQUENCE`](/sql-statements/sql-statement-drop-sequence.md)
+- [序列函数](/functions-and-operators/sequence-functions.md)
\ No newline at end of file
diff --git a/information-schema/information-schema-session-variables.md b/information-schema/information-schema-session-variables.md
index 3cf4e621a048..5fe809bc277a 100644
--- a/information-schema/information-schema-session-variables.md
+++ b/information-schema/information-schema-session-variables.md
@@ -5,7 +5,7 @@ summary: 了解 INFORMATION_SCHEMA 表 `SESSION_VARIABLES`。
 
 # SESSION_VARIABLES
 
-`SESSION_VARIABLES` 表提供了关于 session 变量的信息。表中的数据跟 `SHOW SESSION VARIABLES` 语句执行结果类似。
+`SESSION_VARIABLES` 表提供了关于 session 变量的信息。表中的数据跟 [`SHOW SESSION VARIABLES`](/sql-statements/sql-statement-show-variables.md) 语句执行结果类似。
 
 ```sql
 USE INFORMATION_SCHEMA;
diff --git a/information-schema/information-schema-slow-query.md b/information-schema/information-schema-slow-query.md
index d007a684aa4c..009bc347284a 100644
--- a/information-schema/information-schema-slow-query.md
+++ b/information-schema/information-schema-slow-query.md
@@ -5,7 +5,7 @@ summary: 了解 INFORMATION_SCHEMA 表 `SLOW_QUERY`。
 
 # SLOW_QUERY
 
-`SLOW_QUERY` 表中提供了当前节点的慢查询相关的信息，其内容通过解析当前节点的 TiDB 慢查询日志而来，列名和慢日志中的字段名是一一对应。关于如何使用该表调查和改善慢查询，请参考[慢查询日志文档](/identify-slow-queries.md)。
+`SLOW_QUERY` 表中提供了当前节点的慢查询相关的信息，其内容通过解析当前节点的 TiDB [慢查询日志](/tidb-configuration-file.md#slow-query-file)而来，列名和慢日志中的字段名是一一对应。关于如何使用该表调查和改善慢查询，请参考[慢查询日志文档](/identify-slow-queries.md)。
 
 ```sql
 USE INFORMATION_SCHEMA;
diff --git a/information-schema/information-schema-table-constraints.md b/information-schema/information-schema-table-constraints.md
index fcbde4c3c5e1..a3ef2f8e90c9 100644
--- a/information-schema/information-schema-table-constraints.md
+++ b/information-schema/information-schema-table-constraints.md
@@ -5,7 +5,7 @@ summary: 了解 information_schema 表 `TABLE_CONSTRAINTS`。
 
 # TABLE_CONSTRAINTS
 
-`TABLE_CONSTRAINTS` 表记录了表的约束信息。
+`TABLE_CONSTRAINTS` 表记录了表的[约束](/constraints.md)信息。
 
 {{< copyable "sql" >}}
 
diff --git a/information-schema/information-schema-user-privileges.md b/information-schema/information-schema-user-privileges.md
index 9827c18293b0..5ec5fe6ddab6 100644
--- a/information-schema/information-schema-user-privileges.md
+++ b/information-schema/information-schema-user-privileges.md
@@ -79,3 +79,7 @@ SELECT * FROM USER_PRIVILEGES;
 * `TABLE_CATALOG`：表所属的目录的名称。该值始终为 `def`。
 * `PRIVILEGE_TYPE`：被授权的权限类型，每行只列一个权限。
 * `IS_GRANTABLE`：如果用户有 `GRANT OPTION` 的权限，则为 `YES`，否则为 `NO`。
+
+## 另请参阅
+
+- [`SHOW GRANTS`](/sql-statements/sql-statement-show-grants.md)
diff --git a/information-schema/information-schema-variables-info.md b/information-schema/information-schema-variables-info.md
index 480e174334be..056eb8f0081e 100644
--- a/information-schema/information-schema-variables-info.md
+++ b/information-schema/information-schema-variables-info.md
@@ -5,7 +5,7 @@ summary: 了解 information_schema 表 `VARIABLES_INFO`。
 
 # VARIABLES_INFO
 
-`VARIABLES_INFO` 可用于查看当前 TiDB 集群或实例的系统变量默认值、当前值以及作用域等信息。
+`VARIABLES_INFO` 可用于查看当前 TiDB 集群或实例的[系统变量](/system-variables.md)默认值、当前值以及作用域等信息。
 
 ```sql
 USE information_schema;
diff --git a/information-schema/information-schema-views.md b/information-schema/information-schema-views.md
index 06e9737db3d6..021d7cb033d0 100644
--- a/information-schema/information-schema-views.md
+++ b/information-schema/information-schema-views.md
@@ -5,7 +5,7 @@ summary: 了解 INFORMATION_SCHEMA 表 `VIEWS`。
 
 # VIEWS
 
-`VIEWS` 表提供了关于 SQL 视图的信息。
+`VIEWS` 表提供了关于 [SQL 视图](/views.md)的信息。
 
 ```sql
 USE INFORMATION_SCHEMA;
@@ -68,3 +68,8 @@ COLLATION_CONNECTION: utf8mb4_0900_ai_ci
 * `SECURITY_TYPE`：`SQL SECURITY` 的值，取值为 `DEFINER` 或 `INVOKER`。
 * `CHARACTER_SET_CLIENT`：在视图创建时 session 变量 `character_set_client` 的值。
 * `COLLATION_CONNECTION`：在视图创建时 session 变量 `collation_connection` 的值。
+
+## 另请参阅
+
+- [`CREATE VIEW`](/sql-statements/sql-statement-create-view.md)
+- [`DROP VIEW`](/sql-statements/sql-statement-drop-view.md)
\ No newline at end of file

From d5c8ca322b5c6141038bb8321034015186142bbe Mon Sep 17 00:00:00 2001
From: Aolin <aolin.zhang@pingcap.com>
Date: Tue, 14 May 2024 15:23:55 +0800
Subject: [PATCH 2/2] fix

---
 information-schema/information-schema-schemata.md | 2 --
 information-schema/information-schema.md          | 2 +-
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/information-schema/information-schema-schemata.md b/information-schema/information-schema-schemata.md
index e0424de83342..78d439fd0013 100644
--- a/information-schema/information-schema-schemata.md
+++ b/information-schema/information-schema-schemata.md
@@ -7,8 +7,6 @@ summary: 了解 information_schema 表 `SCHEMATA`。
 
 `SCHEMATA` 表提供了关于数据库的信息。表中的数据与 [`SHOW DATABASES`](/sql-statements/sql-statement-show-databases.md) 语句的执行结果等价。
 
-{{< copyable "sql" >}}
-
 ```sql
 USE information_schema;
 desc SCHEMATA;
diff --git a/information-schema/information-schema.md b/information-schema/information-schema.md
index 421ffece5be6..8c10593a7f96 100644
--- a/information-schema/information-schema.md
+++ b/information-schema/information-schema.md
@@ -6,7 +6,7 @@ title: Information Schema
 
 Information Schema 提供了一种查看系统元数据的 ANSI 标准方法。除了包含与 MySQL 兼容的表外，TiDB 还提供了许多自定义的 `INFORMATION_SCHEMA` 表。
 
-许多 `INFORMATION_SCHEMA` 表都有相应的 `SHOW` 命令。查询 `INFORMATION_SCHEMA` 的好处是可以在表之间进行 `join` 操作。
+许多 `INFORMATION_SCHEMA` 表都可以通过相应的 `SHOW` 语句查看。查询 `INFORMATION_SCHEMA` 的好处是可以在表之间进行 `join` 操作。
 
 ## 与 MySQL 兼容的表