diff --git a/apps/desktop/src/components/grid/DataGrid.vue b/apps/desktop/src/components/grid/DataGrid.vue
index 036e9c350b..17e7cef1ef 100644
--- a/apps/desktop/src/components/grid/DataGrid.vue
+++ b/apps/desktop/src/components/grid/DataGrid.vue
@@ -525,6 +525,7 @@ interface DataGridProps {
     includeSqlSheet?: boolean;
     exportTableName?: string;
     exportColumnTypes?: Array<string | null | undefined>;
+    exportColumnExtras?: Array<string | null | undefined>;
     insertMode?: SqlInsertMode;
   }) => Promise<api.QueryResultExportRequest | undefined>;
   allExportResults?: Array<{
diff --git a/apps/desktop/src/components/layout/ContentArea.vue b/apps/desktop/src/components/layout/ContentArea.vue
index bff81de661..bc9d47f450 100644
--- a/apps/desktop/src/components/layout/ContentArea.vue
+++ b/apps/desktop/src/components/layout/ContentArea.vue
@@ -2116,8 +2116,16 @@ defineExpose({
                 :on-execute-sql="async (sql: string) => emit('executeSql', activeTab.id, sql)"
                 :full-export-result="(onProgress?: (info: { rowsExported: number; totalRows: number | null }) => void) => queryStore.fetchTabResultForExport(activeTab.id, onProgress)"
                 :query-result-export-request="
-                  (options: { exportId: string; filePath: string; format: 'csv' | 'xlsx' | 'json' | 'txt' | 'sql'; includeSqlSheet?: boolean; exportTableName?: string; exportColumnTypes?: Array<string | null | undefined>; insertMode?: SqlInsertMode }) =>
-                    queryStore.buildQueryResultExportRequest(activeTab.id, options)
+                  (options: {
+                    exportId: string;
+                    filePath: string;
+                    format: 'csv' | 'xlsx' | 'json' | 'txt' | 'sql';
+                    includeSqlSheet?: boolean;
+                    exportTableName?: string;
+                    exportColumnTypes?: Array<string | null | undefined>;
+                    exportColumnExtras?: Array<string | null | undefined>;
+                    insertMode?: SqlInsertMode;
+                  }) => queryStore.buildQueryResultExportRequest(activeTab.id, options)
                 "
                 :all-export-results="allResultExportSheets"
                 :export-file-base-name="activeTab.title"
diff --git a/apps/desktop/src/composables/__tests__/useDataGridExport.sqlProgress.spec.ts b/apps/desktop/src/composables/__tests__/useDataGridExport.sqlProgress.spec.ts
index 1baabcb313..006778085b 100644
--- a/apps/desktop/src/composables/__tests__/useDataGridExport.sqlProgress.spec.ts
+++ b/apps/desktop/src/composables/__tests__/useDataGridExport.sqlProgress.spec.ts
@@ -140,6 +140,25 @@ describe("query result SQL export progress", () => {
     expect(api.startQueryResultExport).toHaveBeenCalledWith(expect.objectContaining({ format: "sql", exportTableName: "users", exportColumnTypes: ["int4", "text"] }), expect.any(Function));
   });
 
+  it("forwards result column EXTRA metadata so identity INSERT exports can be replayed", async () => {
+    const state = useDataGridExport(
+      createOptions({
+        tableMeta: computed(() => ({
+          tableName: "users",
+          primaryKeys: ["id"],
+          columns: [
+            { name: "id", data_type: "int", is_nullable: false, is_primary_key: true, extra: "identity(1,1)" },
+            { name: "name", data_type: "text", is_nullable: true },
+          ],
+        })),
+      }),
+    );
+
+    await state.exportSql();
+
+    expect(api.startQueryResultExport).toHaveBeenCalledWith(expect.objectContaining({ format: "sql", exportColumnTypes: ["int4", "text"], exportColumnExtras: ["identity(1,1)", null] }), expect.any(Function));
+  });
+
   it("routes incomplete query-result JSON exports through the streaming backend", async () => {
     const state = useDataGridExport(createOptions());
 
diff --git a/apps/desktop/src/composables/useDataGridExport.ts b/apps/desktop/src/composables/useDataGridExport.ts
index 7491b9e5a5..fcdefbcdba 100644
--- a/apps/desktop/src/composables/useDataGridExport.ts
+++ b/apps/desktop/src/composables/useDataGridExport.ts
@@ -123,6 +123,7 @@ export interface UseDataGridExportOptions {
     includeSqlSheet?: boolean;
     exportTableName?: string;
     exportColumnTypes?: Array<string | null | undefined>;
+    exportColumnExtras?: Array<string | null | undefined>;
     insertMode?: SqlInsertMode;
   }) => Promise<QueryResultExportRequest | undefined>;
   /**
@@ -1277,6 +1278,18 @@ export function useDataGridExport(options: UseDataGridExportOptions) {
     return autoGenerated.length > 0 ? autoGenerated : undefined;
   }
 
+  /**
+   * 导出列对应的原表 EXTRA 元数据（SQL Server/Dameng 的 identity 等）。后端据此
+   * 给导出的 INSERT 包上 `SET IDENTITY_INSERT`，否则回放时报 SQL Server 544。
+   * 拿不到表元数据时返回 undefined，后端保持“未知”语义，不额外查一次元数据。
+   */
+  function sqlExportColumnExtras(columnNames: string[]): Array<string | null> | undefined {
+    const metaColumns = tableMeta.value?.columns;
+    if (!metaColumns?.length) return undefined;
+    const extras = columnNames.map((column) => metaColumns.find((meta) => normalizeColumnName(meta.name) === normalizeColumnName(column))?.extra ?? null);
+    return extras.some((extra) => !!extra) ? extras : undefined;
+  }
+
   /** 供导出请求使用：把“不含主键”设置转换成后端请求字段。 */
   function sqlExportPrimaryKeyOptions(): { excludePrimaryKeys?: boolean; primaryKeys?: string[] } {
     const excludeColumns = sqlExportExcludedColumns();
@@ -1347,6 +1360,7 @@ export function useDataGridExport(options: UseDataGridExportOptions) {
           csvQuoteMode: editorSettings.csvQuoteMode,
           columns: columns.value,
           columnTypes: columnTypes.value,
+          ...(format === "sql" ? { columnExtras: sqlExportColumnExtras(columns.value) } : {}),
           columnComments: format === "xlsx" ? buildXlsxHeaderOverrides(columns.value, visibleXlsxColumnComments.value, headerMode) : undefined,
           primaryKeys: meta.primaryKeys,
           ...sqlExportPrimaryKeyOptions(),
@@ -1416,6 +1430,7 @@ export function useDataGridExport(options: UseDataGridExportOptions) {
       includeSqlSheet,
       exportTableName: format === "sql" ? tableMeta.value?.tableName : undefined,
       exportColumnTypes: format === "sql" ? allColumnTypes.value?.map((type) => type ?? null) : undefined,
+      exportColumnExtras: format === "sql" ? sqlExportColumnExtras(allColumns.value) : undefined,
       ...(format === "sql" && insertMode ? { insertMode } : {}),
     });
     const columnComments = format === "xlsx" ? buildXlsxHeaderOverrides(allColumns.value, allXlsxColumnComments.value, headerMode) : undefined;
@@ -1586,6 +1601,7 @@ export function useDataGridExport(options: UseDataGridExportOptions) {
           tableName: tableMeta.value?.tableName || "table_name",
           columns: exportData.columns,
           columnTypes: exportData.columnTypes,
+          columnExtras: exportData.columnExtras,
           spatialColumns: exportData.spatialColumns,
           spatialValues: exportData.spatialValues,
           rows: exportData.rows,
@@ -1628,6 +1644,7 @@ export function useDataGridExport(options: UseDataGridExportOptions) {
           tableName: tableMeta.value?.tableName || "table_name",
           columns: exportData.columns,
           columnTypes: exportData.columnTypes,
+          columnExtras: exportData.columnExtras,
           spatialColumns: exportData.spatialColumns,
           spatialValues: exportData.spatialValues,
           rows: exportData.rows,
@@ -1650,6 +1667,7 @@ export function useDataGridExport(options: UseDataGridExportOptions) {
   function sqlInsertExportData(result: { columns: string[]; rows: CellValue[][]; spatialColumns?: QueryResult["spatial_columns"]; spatialValues?: QueryResult["spatial_values"] }): {
     columns: string[];
     columnTypes?: Array<string | undefined>;
+    columnExtras?: Array<string | null>;
     spatialColumns?: QueryResult["spatial_columns"];
     spatialValues?: QueryResult["spatial_values"];
     rows: CellValue[][];
@@ -1657,6 +1675,8 @@ export function useDataGridExport(options: UseDataGridExportOptions) {
     const exportColumns = context.value === "table-data" && tableMeta.value ? effectiveColumns(sourceColumns.value, result.columns) : result.columns;
     const columnIndexes = exportColumns.map((column, index) => ({ column, index })).filter((item): item is { column: string; index: number } => !!item.column);
     const exportColumnTypes = columnTypes.value?.length === result.columns.length ? columnTypes.value : undefined;
+    const metaColumns = tableMeta.value?.columns;
+    const exportColumnExtras = metaColumns?.length ? exportColumns.map((column) => (column ? (metaColumns.find((meta) => normalizeColumnName(meta.name) === normalizeColumnName(column))?.extra ?? null) : null)) : undefined;
     const indexBySource = new Map(columnIndexes.map((item, index) => [item.index, index]));
     const spatialColumns = result.spatialColumns?.flatMap((column) => {
       const columnIndex = indexBySource.get(column.column_index);
@@ -1665,6 +1685,7 @@ export function useDataGridExport(options: UseDataGridExportOptions) {
     return {
       columns: columnIndexes.map((item) => item.column),
       columnTypes: exportColumnTypes ? columnIndexes.map((item) => exportColumnTypes[item.index]) : undefined,
+      columnExtras: exportColumnExtras?.some((extra) => !!extra) ? columnIndexes.map((item) => exportColumnExtras[item.index] ?? null) : undefined,
       ...(spatialColumns?.length ? { spatialColumns } : {}),
       ...(result.spatialValues?.length ? { spatialValues: result.spatialValues.map((row) => columnIndexes.map((item) => row[item.index] ?? null)) } : {}),
       rows: result.rows.map((row) => columnIndexes.map((item) => row[item.index] ?? null)),
diff --git a/apps/desktop/src/lib/backend/tauri.ts b/apps/desktop/src/lib/backend/tauri.ts
index c679cc3a82..0a688c053d 100644
--- a/apps/desktop/src/lib/backend/tauri.ts
+++ b/apps/desktop/src/lib/backend/tauri.ts
@@ -5469,6 +5469,8 @@ export interface TableExportRequest {
   csvQuoteMode?: CsvQuoteMode;
   columns?: string[];
   columnTypes?: Array<string | null | undefined>;
+  /** 与 `columns` 对齐的列 EXTRA 元数据（identity 等），用于 SQL INSERT 导出的 `SET IDENTITY_INSERT`。 */
+  columnExtras?: Array<string | null | undefined>;
   columnComments?: Array<string | null> | null;
   primaryKeys?: string[];
   /** 导出 SQL 时是否排除主键列（对应数据提取设置里的“排除主键”）。 */
@@ -5531,6 +5533,11 @@ export interface QueryResultExportRequest {
   dateTimeFormat?: string;
   exportTableName?: string;
   exportColumnTypes?: Array<string | null | undefined>;
+  /**
+   * 结果列对应的原表 EXTRA 元数据（identity 等）。后端据此为 SQL INSERT 导出
+   * 补上 `SET IDENTITY_INSERT` 包裹，缺省表示未知。
+   */
+  exportColumnExtras?: Array<string | null | undefined>;
   numericColumnRightAlign?: boolean;
   columnComments?: Array<string | null> | null;
   autoFilter?: boolean;
diff --git a/apps/desktop/src/lib/export/exportFormats.ts b/apps/desktop/src/lib/export/exportFormats.ts
index 404605a6d5..800ff986f7 100644
--- a/apps/desktop/src/lib/export/exportFormats.ts
+++ b/apps/desktop/src/lib/export/exportFormats.ts
@@ -36,6 +36,8 @@ export interface FormatSqlInsertOptions {
   qualifiedTableName?: string;
   columns: string[];
   columnTypes?: Array<string | null | undefined>;
+  /** 与 `columns` 对齐的列 EXTRA 元数据，用于 identity 列的 `SET IDENTITY_INSERT` 包裹。 */
+  columnExtras?: Array<string | null | undefined>;
   spatialColumns?: QueryResult["spatial_columns"];
   spatialValues?: QueryResult["spatial_values"];
   rows: ExportCellValue[][];
diff --git a/apps/desktop/src/stores/queryStore.ts b/apps/desktop/src/stores/queryStore.ts
index 319e547e5e..1d4d72016e 100644
--- a/apps/desktop/src/stores/queryStore.ts
+++ b/apps/desktop/src/stores/queryStore.ts
@@ -168,6 +168,7 @@ interface BuildQueryResultExportRequestOptions {
   includeSqlSheet?: boolean;
   exportTableName?: string;
   exportColumnTypes?: Array<string | null | undefined>;
+  exportColumnExtras?: Array<string | null | undefined>;
   insertMode?: SqlInsertMode;
 }
 
@@ -8768,6 +8769,7 @@ export const useQueryStore = defineStore("query", () => {
       executionId: uuid(),
       exportTableName: options.exportTableName,
       exportColumnTypes: options.exportColumnTypes,
+      exportColumnExtras: options.exportColumnExtras,
       numericColumnRightAlign: settings.numericColumnRightAlign,
       identifierQuote: connStore.connectionIdentifierQuote(location.connectionId),
     };
diff --git a/crates/dbx-core/src/data/query_result_export.rs b/crates/dbx-core/src/data/query_result_export.rs
index fe08ec3096..9df4879796 100644
--- a/crates/dbx-core/src/data/query_result_export.rs
+++ b/crates/dbx-core/src/data/query_result_export.rs
@@ -112,6 +112,13 @@ pub struct QueryResultExportRequest {
     /// Frontend sends these in original full-query column order.
     #[serde(default, skip_serializing_if = "Option::is_none")]
     pub export_column_types: Option<Vec<Option<String>>>,
+    /// Column EXTRA metadata (for example SQL Server/Dameng `identity`) for SQL
+    /// INSERT export, sent by the frontend from the result's table metadata.
+    /// Without it the exported INSERT writes identity values without
+    /// `SET IDENTITY_INSERT` and fails with SQL Server error 544 on replay.
+    /// Entries align with `export_column_types` (original full-query order).
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub export_column_extras: Option<Vec<Option<String>>>,
     #[serde(default)]
     pub numeric_column_right_align: bool,
     #[serde(default, skip_serializing_if = "Option::is_none")]
@@ -324,6 +331,7 @@ struct SqlInsertWriter {
     insert_mode: SqlInsertMode,
     columns: Vec<String>,
     column_types: Vec<Option<String>>,
+    column_extras: Vec<Option<String>>,
     spatial_columns: Vec<SpatialColumn>,
     database_type: DatabaseType,
     schema: Option<String>,
@@ -412,6 +420,7 @@ impl SqlInsertWriter {
             insert_mode: request.insert_mode,
             columns: Vec::new(),
             column_types: Vec::new(),
+            column_extras: Vec::new(),
             spatial_columns: Vec::new(),
             database_type: request.database_type,
             schema: request.schema.clone(),
@@ -432,6 +441,9 @@ impl SqlInsertWriter {
         request: &QueryResultExportRequest,
     ) {
         self.column_types = sql_insert_column_types(request, result_column_types);
+        // Column extras come from the request and align with the result columns the
+        // same way `export_column_types` does; missing entries simply mean "unknown".
+        self.column_extras = request.export_column_extras.clone().unwrap_or_default();
         self.spatial_columns = spatial_columns.to_vec();
         self.columns = columns;
     }
@@ -458,7 +470,7 @@ impl SqlInsertWriter {
                 qualified_table_name: None,
                 columns: self.columns.clone(),
                 column_types: self.column_types.clone(),
-                column_extras: Vec::new(),
+                column_extras: self.column_extras.clone(),
                 spatial_columns: self.spatial_columns.clone(),
                 spatial_values: mem::take(&mut self.pending_spatial_values),
                 rows: mem::take(&mut self.pending_rows),
@@ -2091,6 +2103,91 @@ mod tests {
         assert!(!stream_export_was_cancelled("network failure", false, false));
     }
 
+    fn sqlserver_identity_export_request(
+        file_path: &std::path::Path,
+        export_column_extras: Option<Vec<Option<String>>>,
+    ) -> QueryResultExportRequest {
+        QueryResultExportRequest {
+            export_id: "export-identity".to_string(),
+            connection_id: "conn-1".to_string(),
+            database: "dbx_test".to_string(),
+            schema: Some("dbo".to_string()),
+            catalog: None,
+            sql: "SELECT * FROM [dbo].[gen_table]".to_string(),
+            query_base_sql: "SELECT * FROM [dbo].[gen_table]".to_string(),
+            setup_sql: Vec::new(),
+            database_type: DatabaseType::SqlServer,
+            use_agent_cursor: false,
+            file_path: file_path.to_string_lossy().to_string(),
+            format: "sql".to_string(),
+            include_sql_sheet: false,
+            page_size: 1000,
+            row_limit: None,
+            total_rows: None,
+            timeout_secs: None,
+            keyset_optimization_enabled: false,
+            client_session_id: None,
+            execution_id: None,
+            date_time_format: None,
+            export_table_name: Some("gen_table".to_string()),
+            export_column_types: Some(vec![Some("int".to_string()), Some("nvarchar(200)".to_string())]),
+            export_column_extras,
+            numeric_column_right_align: false,
+            column_comments: None,
+            auto_filter: None,
+            identifier_quote: None,
+            insert_mode: SqlInsertMode::Batch,
+            csv_quote_mode: Default::default(),
+            exclude_primary_keys: false,
+            primary_keys: Vec::new(),
+        }
+    }
+
+    #[test]
+    fn sql_insert_writer_wraps_sqlserver_identity_columns_with_identity_insert() {
+        let dir = tempfile::tempdir().expect("temp dir");
+        let file_path = dir.path().join("gen_table.sql");
+        let request =
+            sqlserver_identity_export_request(&file_path, Some(vec![Some("identity(1,1)".to_string()), None]));
+
+        let mut writer = SqlInsertWriter::create(&request).expect("create sql insert writer");
+        writer.set_columns(
+            vec!["table_id".to_string(), "table_name".to_string()],
+            &["int".to_string(), "nvarchar(200)".to_string()],
+            &[],
+            &request,
+        );
+        writer.write_row(vec![json!(23), json!("t_destype")], None).expect("write export row");
+        writer.finish().expect("finish export");
+
+        assert_eq!(
+            std::fs::read_to_string(&file_path).expect("read sql export"),
+            "SET IDENTITY_INSERT [dbo].[gen_table] ON;\nINSERT INTO [dbo].[gen_table] ([table_id], [table_name]) VALUES (23, N't_destype');\nSET IDENTITY_INSERT [dbo].[gen_table] OFF;\n"
+        );
+    }
+
+    #[test]
+    fn sql_insert_writer_skips_identity_wrapper_without_column_extras() {
+        let dir = tempfile::tempdir().expect("temp dir");
+        let file_path = dir.path().join("gen_table.sql");
+        let request = sqlserver_identity_export_request(&file_path, None);
+
+        let mut writer = SqlInsertWriter::create(&request).expect("create sql insert writer");
+        writer.set_columns(
+            vec!["table_id".to_string(), "table_name".to_string()],
+            &["int".to_string(), "nvarchar(200)".to_string()],
+            &[],
+            &request,
+        );
+        writer.write_row(vec![json!(23), json!("t_destype")], None).expect("write export row");
+        writer.finish().expect("finish export");
+
+        assert_eq!(
+            std::fs::read_to_string(&file_path).expect("read sql export"),
+            "INSERT INTO [dbo].[gen_table] ([table_id], [table_name]) VALUES (23, N't_destype');\n"
+        );
+    }
+
     #[test]
     fn sql_insert_writer_omits_excluded_primary_key_columns() {
         let dir = tempfile::tempdir().expect("temp dir");
@@ -2119,6 +2216,7 @@ mod tests {
             date_time_format: None,
             export_table_name: Some("users".to_string()),
             export_column_types: None,
+            export_column_extras: None,
             numeric_column_right_align: false,
             column_comments: None,
             auto_filter: None,
@@ -2201,6 +2299,7 @@ mod tests {
             csv_quote_mode: CsvQuoteMode::All,
             export_table_name: None,
             export_column_types: None,
+            export_column_extras: None,
             numeric_column_right_align: false,
             column_comments: None,
             auto_filter: None,
diff --git a/crates/dbx-core/src/data/table_export.rs b/crates/dbx-core/src/data/table_export.rs
index 8113dd2ba4..396b948cfd 100644
--- a/crates/dbx-core/src/data/table_export.rs
+++ b/crates/dbx-core/src/data/table_export.rs
@@ -89,6 +89,12 @@ pub struct TableExportRequest {
     pub columns: Option<Vec<String>>,
     #[serde(default)]
     pub column_types: Option<Vec<Option<String>>>,
+    /// Column EXTRA metadata for `columns`, supplied by the data grid. SQL
+    /// INSERT exports need it for dialect rules such as SQL Server/Dameng
+    /// `SET IDENTITY_INSERT` (error 544) and MySQL generated-column skipping;
+    /// without it the export cannot know those rules without a metadata query.
+    #[serde(default, skip_serializing_if = "Option::is_none")]
+    pub column_extras: Option<Vec<Option<String>>>,
     #[serde(default)]
     pub primary_keys: Option<Vec<String>>,
     /// 导出 SQL 时是否排除主键列（对应前端数据提取设置里的“排除主键”）。
@@ -229,6 +235,24 @@ fn requested_mysql_sql_export_needs_column_metadata(database_type: DatabaseType,
     database_type == DatabaseType::Mysql && format.eq_ignore_ascii_case("sql")
 }
 
+/// Column EXTRA values supplied by the data grid, filtered and aligned exactly
+/// like [`resolve_requested_export_columns`] keeps name/type metadata aligned.
+fn resolve_requested_column_extras_by_position(
+    database_type: DatabaseType,
+    columns: &[String],
+    column_extras: Option<&[Option<String>]>,
+) -> Vec<Option<String>> {
+    let Some(column_extras) = column_extras else {
+        return Vec::new();
+    };
+    columns
+        .iter()
+        .enumerate()
+        .filter(|(_, column)| !is_internal_export_column(Some(database_type), column))
+        .map(|(index, _)| column_extras.get(index).cloned().flatten())
+        .collect()
+}
+
 fn resolve_requested_export_column_types(
     requested_columns: &[String],
     requested_column_types: &[Option<String>],
@@ -1540,7 +1564,14 @@ async fn export_table_data_core_inner(
                     resolve_requested_export_column_extras(&col_names, &table_columns),
                 )
             } else {
-                (requested_column_types, Vec::new())
+                (
+                    requested_column_types,
+                    resolve_requested_column_extras_by_position(
+                        db_type,
+                        requested_columns,
+                        request.column_extras.as_deref(),
+                    ),
+                )
             };
         (col_names, column_types, column_extras, primary_keys)
     } else {
@@ -2386,6 +2417,7 @@ mod tests {
             insert_mode: Default::default(),
             columns: Some(vec!["id".to_string(), "name".to_string()]),
             column_types: Some(vec![Some("INTEGER".to_string()), Some("VARCHAR".to_string())]),
+            column_extras: None,
             primary_keys: Some(vec!["id".to_string()]),
             exclude_primary_keys: false,
             where_input: None,
@@ -2552,6 +2584,7 @@ mod tests {
             exclude_primary_keys: false,
             columns: None,
             column_types: None,
+            column_extras: None,
             primary_keys: None,
             where_input: None,
             order_by: None,
@@ -2717,6 +2750,7 @@ mod tests {
             insert_mode: Default::default(),
             columns: None,
             column_types: None,
+            column_extras: None,
             primary_keys: None,
             exclude_primary_keys: false,
             where_input: Some("WHERE temperature > 1".to_string()),
@@ -2777,6 +2811,7 @@ mod tests {
             insert_mode: Default::default(),
             columns: None,
             column_types: None,
+            column_extras: None,
             primary_keys: None,
             exclude_primary_keys: false,
             where_input: None,
@@ -2815,6 +2850,7 @@ mod tests {
             insert_mode: Default::default(),
             columns: None,
             column_types: None,
+            column_extras: None,
             primary_keys: None,
             exclude_primary_keys: false,
             where_input: None,
@@ -2848,6 +2884,7 @@ mod tests {
             insert_mode: Default::default(),
             columns: None,
             column_types: None,
+            column_extras: None,
             primary_keys: None,
             exclude_primary_keys: false,
             where_input: None,
@@ -2889,6 +2926,7 @@ mod tests {
             insert_mode: Default::default(),
             columns: None,
             column_types: None,
+            column_extras: None,
             primary_keys: None,
             exclude_primary_keys: false,
             where_input: None,
@@ -2942,6 +2980,7 @@ mod tests {
             insert_mode: Default::default(),
             columns: None,
             column_types: None,
+            column_extras: None,
             primary_keys: None,
             exclude_primary_keys: false,
             where_input: Some("WHERE status = 'active'".to_string()),
@@ -2989,6 +3028,7 @@ mod tests {
             insert_mode: Default::default(),
             columns: None,
             column_types: None,
+            column_extras: None,
             primary_keys: None,
             exclude_primary_keys: false,
             where_input: None,
@@ -3064,6 +3104,7 @@ mod tests {
             insert_mode: Default::default(),
             columns: None,
             column_types: None,
+            column_extras: None,
             primary_keys: None,
             exclude_primary_keys: false,
             where_input: None,
@@ -3121,6 +3162,7 @@ mod tests {
             insert_mode: Default::default(),
             columns: None,
             column_types: None,
+            column_extras: None,
             primary_keys: None,
             exclude_primary_keys: false,
             where_input: None,
@@ -3180,6 +3222,7 @@ mod tests {
             insert_mode: Default::default(),
             columns: None,
             column_types: None,
+            column_extras: None,
             primary_keys: None,
             exclude_primary_keys: false,
             where_input: None,
@@ -3265,6 +3308,26 @@ mod tests {
         );
     }
 
+    #[test]
+    fn requested_column_extras_stay_aligned_with_filtered_columns() {
+        let columns = vec!["table_id".to_string(), "table_name".to_string()];
+        let extras = vec![Some("identity(1,1)".to_string()), None];
+        assert_eq!(
+            resolve_requested_column_extras_by_position(DatabaseType::SqlServer, &columns, Some(&extras)),
+            vec![Some("identity(1,1)".to_string()), None]
+        );
+        assert!(resolve_requested_column_extras_by_position(DatabaseType::SqlServer, &columns, None).is_empty());
+
+        // The synthetic ROWID column never reaches the export, so its EXTRA entry
+        // must be dropped with it instead of shifting the remaining columns.
+        let oracle_columns = vec!["__DBX_ROWID".to_string(), "id".to_string()];
+        let oracle_extras = vec![Some("synthetic".to_string()), Some("identity".to_string())];
+        assert_eq!(
+            resolve_requested_column_extras_by_position(DatabaseType::Oracle, &oracle_columns, Some(&oracle_extras)),
+            vec![Some("identity".to_string())]
+        );
+    }
+
     #[test]
     fn agent_table_read_unsupported_detects_old_agent_errors() {
         assert!(is_agent_table_read_unsupported("Agent RPC error (-1): unknown method: start_table_read"));
diff --git a/crates/dbx-core/tests/live_clickhouse_query_result_export.rs b/crates/dbx-core/tests/live_clickhouse_query_result_export.rs
index 8d4c35fea3..9f9a757cc5 100644
--- a/crates/dbx-core/tests/live_clickhouse_query_result_export.rs
+++ b/crates/dbx-core/tests/live_clickhouse_query_result_export.rs
@@ -105,6 +105,7 @@ async fn live_clickhouse_query_result_export_xlsx_streams_random_order_query_onc
         csv_quote_mode: Default::default(),
         export_table_name: None,
         export_column_types: None,
+        export_column_extras: None,
         column_comments: None,
         auto_filter: None,
         identifier_quote: None,
diff --git a/crates/dbx-core/tests/live_mysql57.rs b/crates/dbx-core/tests/live_mysql57.rs
index 289af7aa5d..61d1e8d16a 100644
--- a/crates/dbx-core/tests/live_mysql57.rs
+++ b/crates/dbx-core/tests/live_mysql57.rs
@@ -480,6 +480,7 @@ async fn live_mysql_query_result_export_xlsx_streams_single_query_without_duplic
         csv_quote_mode: Default::default(),
         export_table_name: None,
         export_column_types: None,
+        export_column_extras: None,
         column_comments: None,
         auto_filter: None,
         identifier_quote: None,
@@ -573,6 +574,7 @@ async fn live_mysql_csv_temporal_export_round_trip_preserves_dbx_force_text_valu
         csv_quote_mode: Default::default(),
         export_table_name: None,
         export_column_types: None,
+        export_column_extras: None,
         column_comments: None,
         auto_filter: None,
         identifier_quote: None,
@@ -690,6 +692,7 @@ async fn live_mysql_xlsx_export_can_outlive_query_timeout_while_rows_keep_arrivi
         csv_quote_mode: Default::default(),
         export_table_name: None,
         export_column_types: None,
+        export_column_extras: None,
         column_comments: None,
         auto_filter: None,
         identifier_quote: None,
diff --git a/crates/dbx-core/tests/live_postgres_query_result_export.rs b/crates/dbx-core/tests/live_postgres_query_result_export.rs
index 6a2697586a..31cb3b0299 100644
--- a/crates/dbx-core/tests/live_postgres_query_result_export.rs
+++ b/crates/dbx-core/tests/live_postgres_query_result_export.rs
@@ -152,6 +152,7 @@ async fn live_postgres_query_result_export_uses_single_streamed_query() {
         csv_quote_mode: Default::default(),
         export_table_name: None,
         export_column_types: None,
+        export_column_extras: None,
         column_comments: None,
         auto_filter: None,
         identifier_quote: None,
@@ -238,6 +239,7 @@ async fn live_postgres_query_result_xlsx_preserves_temporal_cell_types() {
         csv_quote_mode: Default::default(),
         export_table_name: None,
         export_column_types: None,
+        export_column_extras: None,
         column_comments: None,
         auto_filter: None,
         identifier_quote: None,
@@ -313,6 +315,7 @@ async fn live_postgres_numeric_xlsx_ignores_fractional_trailing_zeros() {
         csv_quote_mode: Default::default(),
         export_table_name: None,
         export_column_types: None,
+        export_column_extras: None,
         column_comments: None,
         auto_filter: None,
         identifier_quote: None,
@@ -393,6 +396,7 @@ async fn live_postgres_truncated_batch_result_export_replays_safe_temp_setup() {
         csv_quote_mode: Default::default(),
         export_table_name: None,
         export_column_types: None,
+        export_column_extras: None,
         column_comments: None,
         auto_filter: None,
         identifier_quote: None,
@@ -475,6 +479,7 @@ async fn live_postgres_xlsx_export_can_outlive_query_timeout_while_rows_keep_arr
         csv_quote_mode: Default::default(),
         export_table_name: None,
         export_column_types: None,
+        export_column_extras: None,
         column_comments: None,
         auto_filter: None,
         identifier_quote: None,
@@ -548,6 +553,7 @@ async fn live_postgres_stream_still_times_out_without_progress_and_recovers() {
         csv_quote_mode: Default::default(),
         export_table_name: None,
         export_column_types: None,
+        export_column_extras: None,
         column_comments: None,
         auto_filter: None,
         identifier_quote: None,
diff --git a/crates/dbx-core/tests/live_sqlserver_completion.rs b/crates/dbx-core/tests/live_sqlserver_completion.rs
index ccb0b6b085..fbcffa18cc 100644
--- a/crates/dbx-core/tests/live_sqlserver_completion.rs
+++ b/crates/dbx-core/tests/live_sqlserver_completion.rs
@@ -1214,6 +1214,7 @@ async fn live_sqlserver_query_result_export_streams_cte_query_to_csv() {
         csv_quote_mode: Default::default(),
         export_table_name: None,
         export_column_types: None,
+        export_column_extras: None,
         column_comments: None,
         auto_filter: None,
         identifier_quote: None,
diff --git a/crates/dbx-core/tests/live_sqlserver_query_result_export.rs b/crates/dbx-core/tests/live_sqlserver_query_result_export.rs
index 388f94de26..d8d511857b 100644
--- a/crates/dbx-core/tests/live_sqlserver_query_result_export.rs
+++ b/crates/dbx-core/tests/live_sqlserver_query_result_export.rs
@@ -131,6 +131,7 @@ async fn live_sqlserver_xlsx_export_can_outlive_query_timeout_while_rows_keep_ar
         csv_quote_mode: Default::default(),
         export_table_name: None,
         export_column_types: None,
+        export_column_extras: None,
         column_comments: None,
         auto_filter: None,
         identifier_quote: None,
diff --git a/crates/dbx-sql/src/data_grid_sql.rs b/crates/dbx-sql/src/data_grid_sql.rs
index 7d2a6688d5..5f2298ebed 100644
--- a/crates/dbx-sql/src/data_grid_sql.rs
+++ b/crates/dbx-sql/src/data_grid_sql.rs
@@ -606,22 +606,37 @@ pub fn build_data_grid_copy_insert_statement(options: DataGridCopyInsertStatemen
             )
         })
         .collect::<Vec<_>>();
-    if options.insert_mode == DataGridCopyInsertMode::RowByRow
+    let statements = if options.insert_mode == DataGridCopyInsertMode::RowByRow
         || options.database_type.is_some_and(uses_single_row_insert_statements)
     {
+        value_rows.iter().map(|values| format!("INSERT INTO {table} ({columns}) VALUES {values};")).collect::<Vec<_>>()
+    } else {
+        vec![format!(
+            "INSERT INTO {table} ({columns}) VALUES{}{};",
+            if value_rows.len() == 1 { " " } else { "\n" },
+            value_rows.join(",\n")
+        )]
+    };
+    // SQL Server and Dameng reject explicit values for identity columns unless the
+    // statement runs between `SET IDENTITY_INSERT <table> ON` and `OFF` (SQL Server
+    // error 544), so a copied INSERT that carries the identity column must ship the
+    // wrapper. Each statement is wrapped on its own so row-by-row copies stay
+    // individually executable, matching the SQL export path.
+    let needs_identity_insert_wrapper =
+        matches!(options.database_type, Some(DatabaseType::SqlServer | DatabaseType::Dameng))
+            && insert_columns.iter().any(|(_, _, info)| info.as_ref().is_some_and(is_auto_generated_column));
+    if needs_identity_insert_wrapper {
         return Some(
-            value_rows
+            statements
                 .iter()
-                .map(|values| format!("INSERT INTO {table} ({columns}) VALUES {values};"))
+                .map(|statement| {
+                    format!("SET IDENTITY_INSERT {table} ON;\n{statement}\nSET IDENTITY_INSERT {table} OFF;")
+                })
                 .collect::<Vec<_>>()
                 .join("\n"),
         );
     }
-    Some(format!(
-        "INSERT INTO {table} ({columns}) VALUES{}{};",
-        if value_rows.len() == 1 { " " } else { "\n" },
-        value_rows.join(",\n")
-    ))
+    Some(statements.join("\n"))
 }
 
 pub fn build_data_grid_context_filter_condition(options: DataGridContextFilterConditionOptions) -> Option<String> {
@@ -4629,6 +4644,94 @@ mod tests {
         );
     }
 
+    fn sqlserver_identity_copy_insert_options(
+        rows: Vec<Vec<Value>>,
+        insert_mode: DataGridCopyInsertMode,
+    ) -> DataGridCopyInsertStatementOptions {
+        DataGridCopyInsertStatementOptions {
+            database_type: Some(DatabaseType::SqlServer),
+            identifier_quote: None,
+            table_meta: Some(DataGridTableMeta {
+                catalog: None,
+                database: Some("dbx_test".to_string()),
+                schema: Some("dbo".to_string()),
+                table_name: "gen_table".to_string(),
+                primary_keys: vec!["table_id".to_string()],
+                columns: Some(vec![
+                    column("table_id", "int", false, Some("identity")),
+                    column("table_name", "nvarchar(200)", false, None),
+                ]),
+            }),
+            columns: vec!["table_id".to_string(), "table_name".to_string()],
+            column_types: None,
+            source_columns: None,
+            rows,
+            exclude_primary_keys: false,
+            include_computed_columns: false,
+            include_database_name: true,
+            insert_mode,
+        }
+    }
+
+    #[test]
+    fn sqlserver_copy_insert_wraps_identity_columns_with_identity_insert() {
+        let statement = build_data_grid_copy_insert_statement(sqlserver_identity_copy_insert_options(
+            vec![vec![json!(1), json!("t_destype")]],
+            DataGridCopyInsertMode::Merged,
+        ));
+        assert_eq!(
+            statement.as_deref(),
+            Some(
+                "SET IDENTITY_INSERT [dbo].[gen_table] ON;\nINSERT INTO [dbo].[gen_table] ([table_id], [table_name]) VALUES (1, N't_destype');\nSET IDENTITY_INSERT [dbo].[gen_table] OFF;"
+            )
+        );
+    }
+
+    #[test]
+    fn sqlserver_row_by_row_copy_insert_wraps_every_statement() {
+        let statement = build_data_grid_copy_insert_statement(sqlserver_identity_copy_insert_options(
+            vec![vec![json!(1), json!("t_destype")], vec![json!(2), json!("t_user")]],
+            DataGridCopyInsertMode::RowByRow,
+        ));
+        assert_eq!(
+            statement.as_deref(),
+            Some(
+                "SET IDENTITY_INSERT [dbo].[gen_table] ON;\nINSERT INTO [dbo].[gen_table] ([table_id], [table_name]) VALUES (1, N't_destype');\nSET IDENTITY_INSERT [dbo].[gen_table] OFF;\nSET IDENTITY_INSERT [dbo].[gen_table] ON;\nINSERT INTO [dbo].[gen_table] ([table_id], [table_name]) VALUES (2, N't_user');\nSET IDENTITY_INSERT [dbo].[gen_table] OFF;"
+            )
+        );
+    }
+
+    #[test]
+    fn sqlserver_copy_insert_omits_identity_wrapper_without_identity_columns() {
+        let mut options = sqlserver_identity_copy_insert_options(
+            vec![vec![json!(1), json!("t_destype")]],
+            DataGridCopyInsertMode::Merged,
+        );
+        options.table_meta.as_mut().expect("table meta").columns =
+            Some(vec![column("table_id", "int", false, None), column("table_name", "nvarchar(200)", false, None)]);
+        let statement = build_data_grid_copy_insert_statement(options);
+        assert_eq!(
+            statement.as_deref(),
+            Some("INSERT INTO [dbo].[gen_table] ([table_id], [table_name]) VALUES (1, N't_destype');")
+        );
+    }
+
+    #[test]
+    fn dameng_copy_insert_wraps_identity_columns_with_identity_insert() {
+        let mut options = sqlserver_identity_copy_insert_options(
+            vec![vec![json!(1), json!("t_destype")]],
+            DataGridCopyInsertMode::Merged,
+        );
+        options.database_type = Some(DatabaseType::Dameng);
+        let statement = build_data_grid_copy_insert_statement(options);
+        assert_eq!(
+            statement.as_deref(),
+            Some(
+                "SET IDENTITY_INSERT \"dbo\".\"gen_table\" ON;\nINSERT INTO \"dbo\".\"gen_table\" (\"table_id\", \"table_name\") VALUES (1, 't_destype');\nSET IDENTITY_INSERT \"dbo\".\"gen_table\" OFF;"
+            )
+        );
+    }
+
     #[test]
     fn mysql_copy_statements_preserve_blob_hex_literals() {
         let table_meta = DataGridTableMeta {
diff --git a/docs/screenshots/issue-9734-after-copy-sql.png b/docs/screenshots/issue-9734-after-copy-sql.png
new file mode 100644
index 0000000000..bc0958a318
Binary files /dev/null and b/docs/screenshots/issue-9734-after-copy-sql.png differ
diff --git a/docs/screenshots/issue-9734-after-replay-success.png b/docs/screenshots/issue-9734-after-replay-success.png
new file mode 100644
index 0000000000..c3720430ac
Binary files /dev/null and b/docs/screenshots/issue-9734-after-replay-success.png differ
diff --git a/docs/screenshots/issue-9734-before-error-544.png b/docs/screenshots/issue-9734-before-error-544.png
new file mode 100644
index 0000000000..b321b1bfdf
Binary files /dev/null and b/docs/screenshots/issue-9734-before-error-544.png differ
diff --git a/docs/screenshots/issue-9734-query-export-done.png b/docs/screenshots/issue-9734-query-export-done.png
new file mode 100644
index 0000000000..2211689af9
Binary files /dev/null and b/docs/screenshots/issue-9734-query-export-done.png differ
diff --git a/docs/screenshots/issue-9734-table-export-done.png b/docs/screenshots/issue-9734-table-export-done.png
new file mode 100644
index 0000000000..f32a539810
Binary files /dev/null and b/docs/screenshots/issue-9734-table-export-done.png differ