SPECIFICTYPE
diff --git "a/content/docs-lite/zh/docs/SQLReference/\345\255\227\347\254\246\351\233\206\344\270\216\345\255\227\347\254\246\345\272\217.md" "b/content/docs-lite/zh/docs/SQLReference/\345\255\227\347\254\246\351\233\206\344\270\216\345\255\227\347\254\246\345\272\217.md"
index 3fae21770..06ef38a1d 100644
--- "a/content/docs-lite/zh/docs/SQLReference/\345\255\227\347\254\246\351\233\206\344\270\216\345\255\227\347\254\246\345\272\217.md"
+++ "b/content/docs-lite/zh/docs/SQLReference/\345\255\227\347\254\246\351\233\206\344\270\216\345\255\227\347\254\246\345\272\217.md"
@@ -1,6 +1,6 @@
# 字符集与字符序
-字符集(Character Set)是字符的编码规则，字符序(Collation)是字符的排序规则，本章主要对 openGauss B模式（即sql\_compatibility = 'B'）下的字符集、字符序进行介绍，以下介绍的字符集、字符序规则和语法仅在B模式下支持。
+字符集(Character Set)是字符的编码规则，字符序(Collation)是字符的排序规则，本章主要对 openGauss B模式和 openGauss D模式（即sql\_compatibility = 'B' 和 'D'）下的字符集、字符序进行介绍，以下介绍的字符集、字符序规则和语法仅在B和D模式下支持。
字符集和字符序存在以下说明：
- 每一个字符集都有一个或多个字符序，其中一个字符序为默认字符序。
@@ -42,7 +42,7 @@ openGauss 目前所支持的字符集可以参考 [CREATE DATABASE](CREATE-DATAB
openGauss所有支持的字符序详见[PG\_COLLATION](../DatabaseReference/PG_COLLATION.md)系统表。
-还有部分排序规则仅支持在B模式下使用，如下：
+还有部分排序规则仅支持在B和D模式下使用，如下：
| 字符序 | 所属字符集 | 说明 | 空白填充 |
| ------------------ | ---------- | ----------------------------------------------------- | -------- |
diff --git "a/content/zh/docs/DeveloperGuide/\346\225\260\346\215\256\345\272\223\345\257\271\350\261\241\345\221\275\345\220\215.md" "b/content/zh/docs/DeveloperGuide/\346\225\260\346\215\256\345\272\223\345\257\271\350\261\241\345\221\275\345\220\215.md"
index ab757fd4c..63f5fe3ab 100644
--- "a/content/zh/docs/DeveloperGuide/\346\225\260\346\215\256\345\272\223\345\257\271\350\261\241\345\221\275\345\220\215.md"
+++ "b/content/zh/docs/DeveloperGuide/\346\225\260\346\215\256\345\272\223\345\257\271\350\261\241\345\221\275\345\220\215.md"
@@ -5,6 +5,7 @@
- 标识符非时序表长度不超过63个字节，时序表（当前特性是实验室特性，使用时请联系华为工程师提供技术支持）长度不超过53个字符。
- 标识符以字母或下划线开头，中间字符可以是字母、数字、下划线、$、#。
- 若标识符被双引号（""）包含，则可以使用合法字符的任意组合，如"123gs_column"。
+- 在D兼容性下设置d_format_behavior_compat_options = 'enable_sbr_identifier'，若标识符被中括号（[]）包含，则可以使用合法字符的任意组合，如"123gs_column"。创建用户名对象不能包含'\\'。
- 标识符不区分大小写，只有被双引号包含才区分大小写。
- 【建议】避免使用保留或者非保留关键字命名数据库对象。
diff --git a/content/zh/docs/ExtensionReference/shark-CREATE-INDEX.md b/content/zh/docs/ExtensionReference/shark-CREATE-INDEX.md
index 350936e54..8c73c98c0 100644
--- a/content/zh/docs/ExtensionReference/shark-CREATE-INDEX.md
+++ b/content/zh/docs/ExtensionReference/shark-CREATE-INDEX.md
@@ -25,7 +25,7 @@
- 在表上创建索引。
```
- CREATE [ UNIQUE ] [COLUMNSTORE] INDEX [ CONCURRENTLY ] [ [schema_name.]index_name ] ON table_name [ USING method ]
+ CREATE [ UNIQUE ] [ opt_clustered ] [COLUMNSTORE] INDEX [ CONCURRENTLY ] [ [schema_name.]index_name ] ON table_name [ USING method ]
({ { column_name [ ( length ) ] | ( expression ) } [ COLLATE collation ] [ opclass ] [ ASC | DESC ] [ NULLS { FIRST | LAST } ] }[, ...] )
[ INCLUDE ( column_name [, ...] )]
[ WITH ( {storage_parameter = value} [, ... ] ) ]
@@ -41,6 +41,10 @@
该关键字为创建兼容D库的语法，指定列存选项。仅语法作用，没有实际功能。
+- **opt_clustered**
+
+ 参数内容为CLUSTERED/NONCLUSTERED，兼容D库的语法，指定创建聚合/非聚合索引。仅语法作用，没有实际功能。
+
## 示例
```sql
@@ -49,6 +53,12 @@ CREATE TABLE
openGauss=# create columnstore index on t1 (a);
NOTICE: The COLUMNSTORE option is currently ignored
CREATE INDEX
+
+openGauss=# create table t1 (a int);
+CREATE TABLE
+openGauss=# create clustered index on t1 (a);
+NOTICE: The COLUMNSTORE option is currently ignored
+CREATE INDEX
```
## 相关链接
diff --git a/content/zh/docs/ExtensionReference/shark-DELETE.md b/content/zh/docs/ExtensionReference/shark-DELETE.md
new file mode 100644
index 000000000..c858a60fa
--- /dev/null
+++ b/content/zh/docs/ExtensionReference/shark-DELETE.md
@@ -0,0 +1,47 @@
+# DELETE
+
+## 功能描述
+
+DELETE从指定的表里删除满足WHERE子句的行。如果WHERE子句不存在，将删除表中所有行，结果只保留表结构。
+
+## 注意事项b
+
+本章节仅包含shark新增语法，原openGauss的UPDATE语法未作修改。原openGauss的UPDATE语法请参考章节[DELETE](../SQLReference/DELETE.md)
+
+## 语法格式
+
+```
+单表删除：
+[ WITH [ RECURSIVE ] with_query [, ...] ]
+DELETE [/*+ plan_hint */] [FROM] [ ONLY ] table_name [ * ] [ [ [partition_clause] [ [ AS ] alias ] ] | [ [ [ AS ] alias ] [partitions_clause] ] ]
+ [ USING using_list ]
+ [ FROM from_list
+ [JOIN join_table ON join_condition]... ]
+ [ WHERE condition | WHERE CURRENT OF cursor_name ]
+ [ ORDER BY {expression [ [ ASC | DESC | USING operator ]
+ [ LIMIT { count } ]
+ [ RETURNING { * | { output_expr [ [ AS ] output_name ] } [, ...] } ];
+
+多表删除：
+[ WITH [ RECURSIVE ] with_query [, ...] ]
+DELETE [/*+ plan_hint */] [FROM]
+ {[ ONLY ] table_name [ * ] [ [ [partition_clause] [ [ AS ] alias ] ] | [ [ [ AS ] alias ] [partitions_clause] ] ]} [, ...]
+ [ USING using_list ]
+ [ FROM from_list
+ [JOIN join_table ON join_condition]... ]
+ [ WHERE condition ];
+或
+[ WITH [ RECURSIVE ] with_query [, ...] ]
+DELETE [/*+ plan_hint */]
+ {[ ONLY ] table_name [ * ] [ [ [partition_clause] [ [ AS ] alias ] ] | [ [ [ AS ] alias ] [partitions_clause] ] ]} [, ...]
+ [ FROM using_list ]
+ [ WHERE condition ];
+```
+
+## 参数说明
+
+- **JOIN**
+
+JOIN包含 INNER JOIN，LEFT JOIN，RIGHT JOIN，FULL JOIN，CROSS JOIN。
+
+
diff --git "a/content/zh/docs/ExtensionReference/shark-GUC\345\217\202\346\225\260\350\257\264\346\230\216.md" "b/content/zh/docs/ExtensionReference/shark-GUC\345\217\202\346\225\260\350\257\264\346\230\216.md"
new file mode 100644
index 000000000..3dde996d9
--- /dev/null
+++ "b/content/zh/docs/ExtensionReference/shark-GUC\345\217\202\346\225\260\350\257\264\346\230\216.md"
@@ -0,0 +1,20 @@
+# GUC参数说明
+
+## d\_format\_behavior\_compat\_options
+
+**取值范围**：字符串
+
+**默认值**：''
+
+**参数说明**：参数值为逗号间隔的字符串，仅允许合法字符串设定，不合法情况下，启动后报error。同样，设置时候，如果新值非法，则报error并且不修改老值。目前可选参数有：
+
+- enable_sbr_identifier：是否允许使用 [] 包裹标识符。开启以后内核原有的数组相关语法会被禁用。
+```
+openGauss=# set d_format_behavior_compat_options = 'enable_sbr_identifier';
+SET
+openGauss=# create table[array](a1 int);
+CREATE TABLE
+openGauss=# select ARRAY[1,2,3];
+ERROR: syntax error at or near "[1,2,3]"
+```
+
diff --git a/content/zh/docs/ExtensionReference/shark-INSERT.md b/content/zh/docs/ExtensionReference/shark-INSERT.md
new file mode 100644
index 000000000..2b23e6f91
--- /dev/null
+++ b/content/zh/docs/ExtensionReference/shark-INSERT.md
@@ -0,0 +1,26 @@
+# INSERT
+
+## 功能描述
+
+向表中添加一行或多行数据。
+
+## 注意事项
+
+- 本章节只包含shark新增的语法，原openGauss的语法未做删除和修改。
+
+## 语法格式
+
+```
+[ WITH [ RECURSIVE ] with_query [, ...] ]
+INSERT [/*+ plan_hint */] [INTO] table_name [partition_clause] [ AS alias ] [ ( column_name [, ...] ) ]
+ { DEFAULT VALUES
+ | VALUES {( { expression | DEFAULT } [, ...] ) }[, ...]
+ | query }
+ [ ON DUPLICATE KEY UPDATE { NOTHING | { column_name = { expression | DEFAULT } } [, ...] [ WHERE condition ] }]
+ [ RETURNING {* | {output_expression [ [ AS ] output_name ] }[, ...]} ];
+```
+
+
+## 相关链接
+
+[INSERT](../SQLReference/INSERT.md)
diff --git "a/content/zh/docs/ExtensionReference/shark-SQL\350\257\255\346\263\225.md" "b/content/zh/docs/ExtensionReference/shark-SQL\350\257\255\346\263\225.md"
index 165c71848..18abb8359 100644
--- "a/content/zh/docs/ExtensionReference/shark-SQL\350\257\255\346\263\225.md"
+++ "b/content/zh/docs/ExtensionReference/shark-SQL\350\257\255\346\263\225.md"
@@ -1,3 +1,7 @@
# SQL语法
+- **[GUC参数说明](shark-GUC参数说明.md)**
- **[CREATE INDEX](shark-CREATE-INDEX.md)**
+- **[INSERT](shark-INSERT.md)**
+- **[UPDATE](shark-UPDATE.md)**
+- **[DELETE](shark-DELETE.md)**
diff --git a/content/zh/docs/ExtensionReference/shark-UPDATE.md b/content/zh/docs/ExtensionReference/shark-UPDATE.md
new file mode 100644
index 000000000..bd1f33541
--- /dev/null
+++ b/content/zh/docs/ExtensionReference/shark-UPDATE.md
@@ -0,0 +1,50 @@
+# UPDATE
+
+## 功能描述
+
+更新表中的数据。UPDATE修改满足条件的所有行中指定的字段值，WHERE子句声明条件，SET子句指定的字段会被修改，没有出现的字段则保持它们的原值。
+
+## 注意事项
+
+ 本章节仅包含shark新增语法，原openGauss的UPDATE语法未作修改。原openGauss的UPDATE语法请参考章节[UPDATE](../SQLReference/UPDATE.md)
+
+## 语法格式
+
+```
+单表更新：
+[ WITH [ RECURSIVE ] with_query [, ...] ]
+UPDATE [/*+ plan_hint */] [ ONLY ] table_name [ partition_clause ] [ * ] [ [ AS ] alias ]
+SET {column_name = { expression | DEFAULT }
+ |( column_name [, ...] ) = {( { expression | DEFAULT } [, ...] ) |sub_query }}[, ...]
+ [ FROM from_list] [JOIN join_table ON join_condition]... ]
+ [ WHERE condition | WHERE CURRENT OF cursor_name ]
+ [ ORDER BY {expression [ [ ASC | DESC | USING operator ]
+ [ LIMIT { count } ]
+ [ RETURNING {*
+ | {output_expression [ [ AS ] output_name ]} [, ...] }];
+
+多表更新：
+[ WITH [ RECURSIVE ] with_query [, ...] ]
+UPDATE [/*+ plan_hint */] table_list
+SET {column_name = { expression | DEFAULT }
+ |( column_name [, ...] ) = {( { expression | DEFAULT } [, ...] ) |sub_query }}[, ...]
+ [ FROM from_list] [ WHERE condition ];
+
+where sub_query can be:
+SELECT [ ALL | DISTINCT [ ON ( expression [, ...] ) ] ]
+{ * | {expression [ [ AS ] output_name ]} [, ...] }
+[ FROM from_item [, ...] ] [JOIN join_table ON join_condition]... ]
+[ WHERE condition ]
+[ GROUP BY grouping_element [, ...] ]
+[ HAVING condition [, ...] ]
+[ ORDER BY {expression [ [ ASC | DESC | USING operator ] | nlssort_expression_clause ] [ NULLS { FIRST | LAST } ]} [, ...] ]
+[ LIMIT { [offset,] count | ALL } ]
+```
+
+## 参数说明
+
+- **JOIN**
+
+JOIN包含 INNER JOIN，LEFT JOIN，RIGHT JOIN，FULL JOIN，CROSS JOIN。
+
+
\ No newline at end of file
diff --git "a/content/zh/docs/ExtensionReference/shark-\345\205\263\351\224\256\345\255\227.md" "b/content/zh/docs/ExtensionReference/shark-\345\205\263\351\224\256\345\255\227.md"
index 510d5c7af..5c5d0a777 100644
--- "a/content/zh/docs/ExtensionReference/shark-\345\205\263\351\224\256\345\255\227.md"
+++ "b/content/zh/docs/ExtensionReference/shark-\345\205\263\351\224\256\345\255\227.md"
@@ -15,7 +15,7 @@ SQL里有保留字和非保留字之分。根据标准，保留字决不能用
相比于原始的openGauss，shark对于关键字的修改主要为:
-1. 新增```columnstore```，作为非保留关键字。
+1. 新增```columnstore```，```clustered```，```nonclustered```作为非保留关键字。
**表 1** SQL关键字
@@ -1020,6 +1020,24 @@ SQL里有保留字和非保留字之分。根据标准，保留字决不能用
| -
|
+