docs: add show create dictionary sql reference (#3158)

Co-authored-by: baishen <baishen2009@gmail.com>

Author: sundy-li

docs/cn/sql-reference/10-sql-commands/00-ddl/17-dictionary/index.md

@@ -12,3 +12,8 @@ Dictionary 提供了一种基于键值对的方法，用于从各种外部数据
 | [DROP DICTIONARY](drop-dictionary.md) | 删除字典 |
 | [RENAME DICTIONARY](rename-dictionary.md) | 重命名字典 |
 
+## 字典信息
+
+| 命令 | 描述 |
+|---------|-------------|
+| [SHOW CREATE DICTIONARY](show-create-dictionary.md) | 显示字典的 CREATE 语句 |

docs/cn/sql-reference/10-sql-commands/00-ddl/17-dictionary/show-create-dictionary.md

@@ -0,0 +1,61 @@
+---
+title: SHOW CREATE DICTIONARY
+sidebar_position: 4
+---
+
+显示用于创建字典的 SQL 语句。
+
+## 语法
+
+```sql
+SHOW CREATE DICTIONARY [ <catalog_name>. ][ <database_name>. ]<dictionary_name>
+```
+
+## 参数
+
+| 参数 | 说明 |
+|-----------|-------------|
+| `<dictionary_name>` | 字典名称。可以带上 catalog 和 database 限定。 |
+
+## 输出
+
+结果会返回字典名称以及重建后的 `CREATE DICTIONARY` 语句。
+
+像 `password` 这样的敏感 source 选项会在返回的 SQL 中被掩盖。
+
+## 示例
+
+```sql
+CREATE DICTIONARY user_info
+(
+    user_id UInt64,
+    user_name String,
+    user_email String
+)
+PRIMARY KEY user_id
+SOURCE(
+    mysql(
+        host = '127.0.0.1'
+        port = '3306'
+        username = 'root'
+        password = 'root'
+        db = 'app'
+        table = 'users'
+    )
+)
+COMMENT 'User dictionary from MySQL';
+
+SHOW CREATE DICTIONARY user_info;
+
+*************************** 1. row ***************************
+       Dictionary: user_info
+Create Dictionary: CREATE DICTIONARY user_info
+(
+  user_id BIGINT UNSIGNED NULL,
+  user_name VARCHAR NULL,
+  user_email VARCHAR NULL
+)
+PRIMARY KEY user_id
+SOURCE(mysql(db='app' host='127.0.0.1' password='[HIDDEN]' port='3306' table='users' username='root'))
+COMMENT 'User dictionary from MySQL'
+```

docs/en/sql-reference/10-sql-commands/00-ddl/17-dictionary/index.md

@@ -12,3 +12,8 @@ Dictionary provides a key-value approach for reading data from various external
 | [DROP DICTIONARY](drop-dictionary.md) | Deletes a dictionary |
 | [RENAME DICTIONARY](rename-dictionary.md) | Renames a dictionary |
 
+## Dictionary Information
+
+| Command | Description |
+|---------|-------------|
+| [SHOW CREATE DICTIONARY](show-create-dictionary.md) | Shows the CREATE statement for a dictionary |

docs/en/sql-reference/10-sql-commands/00-ddl/17-dictionary/show-create-dictionary.md

@@ -0,0 +1,61 @@
+---
+title: SHOW CREATE DICTIONARY
+sidebar_position: 4
+---
+
+Shows the SQL statement used to create a dictionary.
+
+## Syntax
+
+```sql
+SHOW CREATE DICTIONARY [ <catalog_name>. ][ <database_name>. ]<dictionary_name>
+```
+
+## Parameters
+
+| Parameter | Description |
+|-----------|-------------|
+| `<dictionary_name>` | The dictionary name. You can qualify it with catalog and database names. |
+
+## Output
+
+The result contains the dictionary name and the reconstructed `CREATE DICTIONARY` statement.
+
+Sensitive source options such as `password` are masked in the returned SQL.
+
+## Examples
+
+```sql
+CREATE DICTIONARY user_info
+(
+    user_id UInt64,
+    user_name String,
+    user_email String
+)
+PRIMARY KEY user_id
+SOURCE(
+    mysql(
+        host = '127.0.0.1'
+        port = '3306'
+        username = 'root'
+        password = 'root'
+        db = 'app'
+        table = 'users'
+    )
+)
+COMMENT 'User dictionary from MySQL';
+
+SHOW CREATE DICTIONARY user_info;
+
+*************************** 1. row ***************************
+       Dictionary: user_info
+Create Dictionary: CREATE DICTIONARY user_info
+(
+  user_id BIGINT UNSIGNED NULL,
+  user_name VARCHAR NULL,
+  user_email VARCHAR NULL
+)
+PRIMARY KEY user_id
+SOURCE(mysql(db='app' host='127.0.0.1' password='[HIDDEN]' port='3306' table='users' username='root'))
+COMMENT 'User dictionary from MySQL'
+```