diff --git a/apps/desktop/src/components/grid/DataGrid.vue b/apps/desktop/src/components/grid/DataGrid.vue
index 32f5cae3f..42152cef6 100644
--- a/apps/desktop/src/components/grid/DataGrid.vue
+++ b/apps/desktop/src/components/grid/DataGrid.vue
@@ -1077,6 +1077,10 @@ const visibleColumnIndexes = computed(() =>
   visibleColumnIndexesForFilter(displayableColumnIndexes.value, hiddenColumnIndexes.value),
 );
 const visibleColumns = computed(() => visibleColumnIndexes.value.map((index) => props.result.columns[index]));
+const visibleSourceColumns = computed(() => {
+  if (!props.sourceColumns || props.sourceColumns.length !== props.result.columns.length) return undefined;
+  return visibleColumnIndexes.value.map((index) => props.sourceColumns?.[index]);
+});
 const visibleColumnCount = computed(() => visibleColumnIndexes.value.length);
 const displayableColumnCount = computed(() => displayableColumnIndexes.value.length);
 const hiddenColumnCount = computed(() => displayableColumnCount.value - visibleColumnCount.value);
@@ -2080,6 +2084,8 @@ const {
   copyCell,
   copyRow,
   copyRowAsInsert,
+  copyRowAsUpdate,
+  canCopyRowAsUpdate,
   copyAll,
   copySelectionTsv,
   copySelectionCsv,
@@ -2094,10 +2100,9 @@ const {
   columns: visibleColumns,
   displayItems: visibleDisplayItems,
   sql: computed(() => props.sql),
-  tableMeta: computed(() =>
-    props.tableMeta ? { schema: props.tableMeta.schema, tableName: props.tableMeta.tableName } : undefined,
-  ),
+  tableMeta: computed(() => (props.tableMeta ? { ...props.tableMeta } : undefined)),
   databaseType: computed(() => props.databaseType),
+  sourceColumns: visibleSourceColumns,
   hasCellSelection,
   selectedCells,
   selectedRange,
@@ -4313,6 +4318,9 @@ defineExpose({
             <ContextMenuItem @click="copyRowAsInsert">
               {{ isMultiRow ? t("grid.copyRowsInsert", { count: multiRowCount }) : t("grid.copyRowInsert") }}
             </ContextMenuItem>
+            <ContextMenuItem v-if="canCopyRowAsUpdate" @click="copyRowAsUpdate">
+              {{ isMultiRow ? t("grid.copyRowsUpdate", { count: multiRowCount }) : t("grid.copyRowUpdate") }}
+            </ContextMenuItem>
             <ContextMenuItem @click="copyAll">{{ t("grid.copyAll") }}</ContextMenuItem>
           </ContextMenuSubContent>
         </ContextMenuSub>
diff --git a/apps/desktop/src/composables/useDataGridExport.ts b/apps/desktop/src/composables/useDataGridExport.ts
index d790651ca..edd02f3ad 100644
--- a/apps/desktop/src/composables/useDataGridExport.ts
+++ b/apps/desktop/src/composables/useDataGridExport.ts
@@ -1,4 +1,4 @@
-import type { ComputedRef, Ref } from "vue";
+import { computed, type ComputedRef, type Ref } from "vue";
 import { useI18n } from "vue-i18n";
 import { isTauriRuntime } from "@/lib/tauriRuntime";
 import { formatCsv, formatJson } from "@/lib/exportFormats";
@@ -14,6 +14,8 @@ import { useToast } from "@/composables/useToast";
 import { displayCellValue, type CellValue } from "@/lib/cellValue";
 import { tryStartExclusiveActivation, type ActionActivationGuard } from "@/lib/actionActivation";
 import { copyToClipboard } from "@/lib/clipboard";
+import { buildDataGridCopyUpdateStatements } from "@/lib/dataGridSql";
+import type { DatabaseType } from "@/types/database";
 
 interface RowItem {
   id: number;
@@ -30,8 +32,9 @@ export interface UseDataGridExportOptions {
   columns: ComputedRef<string[]>;
   displayItems: ComputedRef<RowItem[]>;
   sql: ComputedRef<string | undefined>;
-  tableMeta: ComputedRef<{ schema?: string; tableName: string } | undefined>;
-  databaseType: ComputedRef<string | undefined>;
+  tableMeta: ComputedRef<{ schema?: string; tableName: string; primaryKeys: string[] } | undefined>;
+  databaseType: ComputedRef<DatabaseType | undefined>;
+  sourceColumns: ComputedRef<Array<string | undefined> | undefined>;
   hasCellSelection: ComputedRef<boolean>;
   selectedCells: ComputedRef<SelectionData>;
   selectedRange: ComputedRef<CellSelectionRange | null>;
@@ -55,6 +58,8 @@ export function useDataGridExport(options: UseDataGridExportOptions) {
     displayItems,
     sql,
     tableMeta,
+    sourceColumns,
+    databaseType,
     hasCellSelection,
     selectedCells,
     selectedRange,
@@ -81,6 +86,23 @@ export function useDataGridExport(options: UseDataGridExportOptions) {
     return displayItems.value.filter((item) => rowIdSet.has(item.id));
   }
 
+  function targetedRows(): RowItem[] {
+    if (hasRowSelection.value && selectedRowIds.value.size > 0) {
+      return displayItems.value.filter((item) => selectedRowIds.value.has(item.id));
+    }
+    const range = selectedRange.value;
+    if (range && range.startRow !== range.endRow) {
+      return displayItems.value.slice(range.startRow, range.endRow + 1);
+    }
+    if (!contextCell.value) return [];
+    const item = getRowItem(contextCell.value.rowId);
+    return item ? [item] : [];
+  }
+
+  function updateEligibleRows(): RowItem[] {
+    return targetedRows().filter((item) => !item.isNew && !item.isDeleted);
+  }
+
   // --- Selection copy functions ---
   async function copySelectionTsv() {
     if (!hasCellSelection.value) return;
@@ -174,6 +196,34 @@ export function useDataGridExport(options: UseDataGridExportOptions) {
     await copyText(`INSERT INTO ${table} (${cols}) VALUES (${vals});`);
   }
 
+  async function copyRowAsUpdate() {
+    if (!tableMeta.value?.primaryKeys.length) return;
+    const statements = buildDataGridCopyUpdateStatements({
+      databaseType: databaseType.value,
+      tableMeta: tableMeta.value,
+      columns: columns.value,
+      sourceColumns: sourceColumns.value,
+      rows: updateEligibleRows().map((item) => item.data),
+    });
+    if (!statements.length) return;
+    await copyText(statements.join("\n"));
+  }
+
+  const canCopyRowAsUpdate = computed(() => {
+    if (!tableMeta.value?.primaryKeys.length) return false;
+    const rows = updateEligibleRows();
+    if (!rows.length) return false;
+    return (
+      buildDataGridCopyUpdateStatements({
+        databaseType: databaseType.value,
+        tableMeta: tableMeta.value,
+        columns: columns.value,
+        sourceColumns: sourceColumns.value,
+        rows: [rows[0].data],
+      }).length > 0
+    );
+  });
+
   async function copyAll() {
     const header = columns.value.join("\t");
     const body = displayItems.value.map((item) => item.data.map((c) => displayCellValue(c)).join("\t")).join("\n");
@@ -320,6 +370,8 @@ export function useDataGridExport(options: UseDataGridExportOptions) {
     copyCell,
     copyRow,
     copyRowAsInsert,
+    copyRowAsUpdate,
+    canCopyRowAsUpdate,
     copyAll,
     copySelectionTsv,
     copySelectionCsv,
diff --git a/apps/desktop/src/i18n/locales/en.ts b/apps/desktop/src/i18n/locales/en.ts
index 2459ec3a1..d04ed4736 100644
--- a/apps/desktop/src/i18n/locales/en.ts
+++ b/apps/desktop/src/i18n/locales/en.ts
@@ -249,6 +249,7 @@ export default {
     copyCell: "Copy Cell",
     copyRow: "Copy Row (JSON)",
     copyRowInsert: "Copy as INSERT",
+    copyRowUpdate: "Copy as UPDATE",
     copyAll: "Copy All (TSV)",
     selection: "Selection",
     copySelectionTsv: "Copy Selection (TSV)",
@@ -344,6 +345,7 @@ export default {
     restoreRows: "Restore {count} Rows",
     copyRows: "Copy {count} Rows (JSON)",
     copyRowsInsert: "Copy {count} Rows as INSERT",
+    copyRowsUpdate: "Copy {count} Rows as UPDATE",
     selectedRows: "{count} rows selected",
     restoreRow: "Restore Row",
     statusClean: "Clean",
diff --git a/apps/desktop/src/i18n/locales/es.ts b/apps/desktop/src/i18n/locales/es.ts
index 1bd69a7e7..f00cc522b 100644
--- a/apps/desktop/src/i18n/locales/es.ts
+++ b/apps/desktop/src/i18n/locales/es.ts
@@ -244,6 +244,7 @@ export default {
     copyCell: "Copiar celda",
     copyRow: "Copiar fila (JSON)",
     copyRowInsert: "Copiar como INSERT",
+    copyRowUpdate: "Copiar como UPDATE",
     copyAll: "Copiar todo (TSV)",
     selection: "Selección",
     copySelectionTsv: "Copiar selección (TSV)",
@@ -312,6 +313,7 @@ export default {
     restoreRows: "Restaurar {count} filas",
     copyRows: "Copiar {count} filas (JSON)",
     copyRowsInsert: "Copiar {count} filas como INSERT",
+    copyRowsUpdate: "Copiar {count} filas como UPDATE",
     selectedRows: "{count} filas seleccionadas",
     restoreRow: "Restaurar fila",
     statusClean: "Sin cambios",
diff --git a/apps/desktop/src/i18n/locales/zh-CN.ts b/apps/desktop/src/i18n/locales/zh-CN.ts
index 23eb952a1..d99545449 100644
--- a/apps/desktop/src/i18n/locales/zh-CN.ts
+++ b/apps/desktop/src/i18n/locales/zh-CN.ts
@@ -247,6 +247,7 @@ export default {
     copyCell: "复制单元格",
     copyRow: "复制行 (JSON)",
     copyRowInsert: "复制为 INSERT 语句",
+    copyRowUpdate: "复制为 UPDATE 语句",
     copyAll: "复制全部 (TSV)",
     selection: "选区",
     copySelectionTsv: "复制选区 (TSV)",
@@ -341,6 +342,7 @@ export default {
     restoreRows: "恢复 {count} 行",
     copyRows: "复制 {count} 行 (JSON)",
     copyRowsInsert: "复制 {count} 行为 INSERT",
+    copyRowsUpdate: "复制 {count} 行为 UPDATE",
     selectedRows: "已选 {count} 行",
     restoreRow: "恢复行",
     statusClean: "未改",
diff --git a/apps/desktop/src/lib/dataGridSql.ts b/apps/desktop/src/lib/dataGridSql.ts
index b8568f467..aa655a073 100644
--- a/apps/desktop/src/lib/dataGridSql.ts
+++ b/apps/desktop/src/lib/dataGridSql.ts
@@ -29,6 +29,14 @@ export interface DataGridSaveStatementOptions {
   newRows: GridCellValue[][];
 }
 
+export interface DataGridCopyUpdateStatementOptions {
+  databaseType?: DatabaseType;
+  tableMeta: DataGridTableMeta;
+  columns: string[];
+  sourceColumns?: Array<string | undefined>;
+  rows: GridCellValue[][];
+}
+
 export interface DataGridSaveValidationOptions {
   databaseType?: DatabaseType;
   tableMeta?: DataGridTableMeta;
@@ -157,6 +165,49 @@ export function buildDataGridSaveStatements(options: DataGridSaveStatementOption
   return statements;
 }
 
+export function buildDataGridCopyUpdateStatements(options: DataGridCopyUpdateStatementOptions): string[] {
+  if (options.databaseType === "neo4j" || options.databaseType === "tdengine") return [];
+  const primaryKeys = options.tableMeta.primaryKeys;
+  if (primaryKeys.length === 0) return [];
+
+  const saveColumns = effectiveColumns(options.sourceColumns, options.columns);
+  const primaryKeyIndexes = primaryKeys.map((primaryKey) => findColumnIndex(saveColumns, primaryKey));
+  if (primaryKeyIndexes.some((index) => index === -1)) return [];
+
+  const primaryKeySet = new Set(primaryKeys.map((primaryKey) => normalizeColumnName(primaryKey)));
+  const writableIndexes = saveColumns
+    .map((column, index) => ({ column, index }))
+    .filter((entry): entry is { column: string; index: number } => !!entry.column)
+    .filter((entry) => !primaryKeySet.has(normalizeColumnName(entry.column)))
+    .filter((entry) => !isOracleRowId(options.databaseType, entry.column));
+
+  if (writableIndexes.length === 0) return [];
+
+  const table = qualifiedTableName({
+    databaseType: options.databaseType,
+    schema: options.tableMeta.schema,
+    tableName: options.tableMeta.tableName,
+  });
+
+  const statements: string[] = [];
+  for (const row of options.rows) {
+    if (primaryKeyIndexes.some((index) => row[index] === null || row[index] === undefined)) continue;
+    const sets = writableIndexes
+      .map(
+        ({ column, index }) =>
+          `${quoteIdent(options.databaseType, column)} = ${formatGridSqlLiteral(row[index], options.databaseType)}`,
+      )
+      .join(", ");
+    if (!sets) continue;
+    const where = primaryKeys
+      .map((primaryKey, index) => buildColumnPredicate(options.databaseType, primaryKey, row[primaryKeyIndexes[index]]))
+      .join(" AND ");
+    statements.push(`UPDATE ${table} SET ${sets} WHERE ${where};`);
+  }
+
+  return statements;
+}
+
 function buildTdengineDataGridSaveStatements(options: DataGridSaveStatementOptions): string[] {
   const saveColumns = effectiveColumns(options.sourceColumns, options.columns);
   const statements: string[] = [];
diff --git a/packages/app-tests/dataGridSql.test.ts b/packages/app-tests/dataGridSql.test.ts
index 0ae71f2e6..03a615087 100644
--- a/packages/app-tests/dataGridSql.test.ts
+++ b/packages/app-tests/dataGridSql.test.ts
@@ -1,6 +1,7 @@
 import { strict as assert } from "node:assert";
 import test from "node:test";
 import {
+  buildDataGridCopyUpdateStatements,
   buildDataGridRollbackStatements,
   buildDataGridSaveStatements,
   dataGridSaveExecutionSchema,
@@ -40,6 +41,35 @@ test("builds SQL Server grid save statements with schema and bracket quoting", (
   ]);
 });
 
+test("builds copy-as-update statements using primary keys and non-primary-key columns", () => {
+  const statements = buildDataGridCopyUpdateStatements({
+    databaseType: "postgres",
+    tableMeta: {
+      schema: "public",
+      tableName: "users",
+      primaryKeys: ["id"],
+    },
+    columns: ["id", "name", "status"],
+    rows: [[1, "Ada", "active"]],
+  });
+
+  assert.deepEqual(statements, [`UPDATE "public"."users" SET "name" = 'Ada', "status" = 'active' WHERE "id" = 1;`]);
+});
+
+test("skips copy-as-update statements when primary keys are unavailable", () => {
+  const statements = buildDataGridCopyUpdateStatements({
+    databaseType: "postgres",
+    tableMeta: {
+      tableName: "users",
+      primaryKeys: [],
+    },
+    columns: ["id", "name"],
+    rows: [[1, "Ada"]],
+  });
+
+  assert.deepEqual(statements, []);
+});
+
 test("builds Access grid save statements with backtick identifiers", () => {
   const statements = buildDataGridSaveStatements({
     databaseType: "access",