diff --git a/apps/desktop/src/components/grid/DataGridCellDetailDialog.vue b/apps/desktop/src/components/grid/DataGridCellDetailDialog.vue
index 6bbda3d148..6bf52de5e3 100644
--- a/apps/desktop/src/components/grid/DataGridCellDetailDialog.vue
+++ b/apps/desktop/src/components/grid/DataGridCellDetailDialog.vue
@@ -30,7 +30,7 @@ const props = defineProps<{
   downloadBinaryValue: (detail: DataGridCellDetail | null, mode: BinaryCellDownloadMode) => void | Promise<void>;
   canImportBinaryValue: (detail: DataGridCellDetail | null) => boolean;
   importBinaryValue: (detail: DataGridCellDetail | null) => void | Promise<void>;
-  /** BLOB 文本预览与编辑写回一致，仅在 MySQL 连接开启。 */
+  /** BLOB 文本预览与编辑写回一致，在 MySQL / Oracle（含 OceanBase-Oracle）连接开启。 */
   databaseType?: DatabaseType;
 }>();
 
diff --git a/apps/desktop/src/components/grid/DataGridCellDetailPanel.vue b/apps/desktop/src/components/grid/DataGridCellDetailPanel.vue
index c93a29e72a..be6679e6d9 100644
--- a/apps/desktop/src/components/grid/DataGridCellDetailPanel.vue
+++ b/apps/desktop/src/components/grid/DataGridCellDetailPanel.vue
@@ -39,7 +39,7 @@ const props = defineProps<{
   importBinaryValue: (detail: DataGridCellDetail | null) => void | Promise<void>;
   openImagePreview: (src: string, title: string) => void;
   canCopySqlCondition: () => boolean;
-  /** BLOB 文本预览与编辑写回一致，仅在 MySQL 连接开启。 */
+  /** BLOB 文本预览与编辑写回一致，在 MySQL / Oracle（含 OceanBase-Oracle）连接开启。 */
   databaseType?: DatabaseType;
 }>();
 
diff --git a/apps/desktop/src/components/grid/__tests__/DataGridSurfaces.spec.ts b/apps/desktop/src/components/grid/__tests__/DataGridSurfaces.spec.ts
index 50106cf9b3..9a153c4d80 100644
--- a/apps/desktop/src/components/grid/__tests__/DataGridSurfaces.spec.ts
+++ b/apps/desktop/src/components/grid/__tests__/DataGridSurfaces.spec.ts
@@ -2091,6 +2091,57 @@ describe("cell detail surfaces", () => {
     expect(copyText).toHaveBeenCalledWith("#2005805");
   });
 
+  it("presents printable Oracle BLOB bytes as text and copies the presented value", async () => {
+    const copyText = vi.fn();
+    const blobDetail = detail({
+      type: "BLOB",
+      value: "0x48656c6c6f",
+      rawValue: "0x48656c6c6f",
+      rawValuePreview: "0x48656c6c6f",
+      displayValue: "Hello",
+      displayValuePreview: "Hello",
+      formattedJson: "",
+    });
+    const dialog = mountComponent(DataGridCellDetailDialog, {
+      open: true,
+      detail: blobDetail,
+      typeColorClass: () => "",
+      openImagePreview: vi.fn(),
+      copyText,
+      canDownloadBinaryValue: () => true,
+      downloadBinaryValue: vi.fn(),
+      canImportBinaryValue: () => false,
+      importBinaryValue: vi.fn(),
+      databaseType: "oracle",
+    });
+    const panel = mountComponent(DataGridCellDetailPanel, {
+      detail: blobDetail,
+      panelIsBottom: true,
+      metadataCollapsed: false,
+      valueFillsHeight: false,
+      editing: false,
+      sideJsonView: false,
+      showCompactJson: false,
+      canCompactJson: false,
+      typeColorClass: () => "",
+      canDownloadBinaryValue: () => true,
+      downloadBinaryValue: vi.fn(),
+      canImportBinaryValue: () => false,
+      importBinaryValue: vi.fn(),
+      openImagePreview: vi.fn(),
+      canCopySqlCondition: () => true,
+      databaseType: "oracle",
+    });
+
+    expect(hostText(dialog.root)).toContain("Hello");
+    expect(hostText(panel.root)).toContain("Hello");
+    dispatch(
+      findOne(dialog.root, (node) => node.props.title === "grid.copyValue"),
+      "click",
+    );
+    expect(copyText).toHaveBeenCalledWith("Hello");
+  });
+
   it("keeps non-MySQL BLOB detail previews in hex", () => {
     const panel = mountComponent(DataGridCellDetailPanel, {
       detail: detail({ type: "BLOB", value: "0x2332303035383035", rawValue: "0x2332303035383035", rawValuePreview: "0x2332303035383035", displayValue: "BLOB [8 bytes]", displayValuePreview: "BLOB [8 bytes]", formattedJson: "" }),
diff --git a/apps/desktop/src/lib/dataGrid/binaryCellDownload.ts b/apps/desktop/src/lib/dataGrid/binaryCellDownload.ts
index cfa160bbba..34d7a77e3b 100644
--- a/apps/desktop/src/lib/dataGrid/binaryCellDownload.ts
+++ b/apps/desktop/src/lib/dataGrid/binaryCellDownload.ts
@@ -306,14 +306,18 @@ export function binaryCellClipboardText(value: unknown, columnType?: string, dat
   return printableGbkText(binaryPreviewBytes(bytes, columnType));
 }
 
-// MySQL BLOB 的文本预览必须与编辑写回路径（coerceMysqlBlobTextValue，仅 mysql）走同一闸门：
+export function isBlobTextPreviewDatabase(databaseType?: DatabaseType): boolean {
+  return databaseType === "mysql" || databaseType === "oracle" || databaseType === "oceanbase-oracle";
+}
+
+// MySQL 与 Oracle（含 OceanBase-Oracle）BLOB 的文本预览必须与编辑写回路径（coerceBlobTextValue）走同一闸门：
 // SQLite/DuckDB/H2/Firebird 等库同样暴露 `blob` 列，若一律按文本预览会出现
-// “显示是文本、编辑器却是十六进制”的不一致，故 blob 文本预览仅在 mysql 连接开启。
+// “显示是文本、编辑器却是十六进制”的不一致，故 blob 文本预览仅在支持的连接开启。
 // binary/varbinary 的文本预览早于该特性存在（如 TDengine BINARY 文本），保持全库通用。
 function isBinaryCellTextPreviewColumn(columnType: string | undefined, databaseType: DatabaseType | undefined): boolean {
   if (isOpaqueAggregateStateColumnType(columnType)) return false;
   if (BINARY_STRING_TYPE_RE.test((columnType ?? "").trim())) return true;
-  return isBlobCellColumnType(columnType) && databaseType === "mysql";
+  return isBlobCellColumnType(columnType) && isBlobTextPreviewDatabase(databaseType);
 }
 
 // 显示/复制路径的解码链：先严格 UTF-8，仅 MySQL 连接的 binary/varbinary 再回退严格
diff --git a/apps/desktop/src/lib/dataGrid/dataGridCellCoercion.ts b/apps/desktop/src/lib/dataGrid/dataGridCellCoercion.ts
index e1133923c1..da776dbd71 100644
--- a/apps/desktop/src/lib/dataGrid/dataGridCellCoercion.ts
+++ b/apps/desktop/src/lib/dataGrid/dataGridCellCoercion.ts
@@ -1,6 +1,6 @@
 import type { GridCellValue } from "@/lib/dataGrid/dataGridSql";
 import type { DatabaseType, ColumnInfo } from "@/types/database";
-import { binaryCellBytesToHexValue, binaryCellUtf8Text, isBlobCellColumnType } from "@/lib/dataGrid/binaryCellDownload";
+import { binaryCellBytesToHexValue, binaryCellUtf8Text, isBlobCellColumnType, isBlobTextPreviewDatabase } from "@/lib/dataGrid/binaryCellDownload";
 import { isNumericColumnType } from "@/lib/dataGrid/dataGridColumnType";
 import { isBooleanColumnType } from "@/lib/dataGrid/dataGridBooleanColumn";
 
@@ -26,7 +26,7 @@ export function coerceDataGridCellValue(options: CoerceDataGridCellValueOptions)
   const { value, oldValue } = options;
   if (value === "" && options.emptyStringAsNull) return null;
   if (value === "" && oldValue === null && !options.preserveEmptyString) return null;
-  const blobValue = coerceMysqlBlobTextValue(options);
+  const blobValue = coerceBlobTextValue(options);
   if (blobValue !== undefined) return blobValue;
   const postgresArrayValue = coercePostgresArrayValue(options);
   if (postgresArrayValue !== undefined) return postgresArrayValue;
@@ -82,7 +82,7 @@ function parseBooleanInput(value: string, allowNumericAliases: boolean): boolean
 export function dataGridCellEditorText(options: { value: GridCellValue | undefined; databaseType: DatabaseType | undefined; columnInfo: Pick<ColumnInfo, "data_type"> | undefined }): string {
   const value = options.value ?? null;
   if (value === null) return "";
-  if (options.databaseType === "mysql" && isBlobCellColumnType(options.columnInfo?.data_type)) {
+  if (isBlobTextPreviewDatabase(options.databaseType) && isBlobCellColumnType(options.columnInfo?.data_type)) {
     const text = binaryCellUtf8Text(value, options.columnInfo?.data_type, options.databaseType);
     if (text !== null) return text;
   }
@@ -92,8 +92,8 @@ export function dataGridCellEditorText(options: { value: GridCellValue | undefin
   return typeof value === "object" ? JSON.stringify(value) : String(value);
 }
 
-function coerceMysqlBlobTextValue(options: CoerceDataGridCellValueOptions): GridCellValue | undefined {
-  if (options.databaseType !== "mysql" || !isBlobCellColumnType(options.columnInfo?.data_type)) return undefined;
+function coerceBlobTextValue(options: CoerceDataGridCellValueOptions): GridCellValue | undefined {
+  if (!isBlobTextPreviewDatabase(options.databaseType) || !isBlobCellColumnType(options.columnInfo?.data_type)) return undefined;
   const originalText = binaryCellUtf8Text(options.oldValue, options.columnInfo?.data_type, options.databaseType);
   if (originalText === null) return undefined;
   if (options.value === originalText) return options.oldValue;
diff --git a/packages/app-tests/binaryCellDownload.test.ts b/packages/app-tests/binaryCellDownload.test.ts
index c0143ec736..5ee03e96bf 100644
--- a/packages/app-tests/binaryCellDownload.test.ts
+++ b/packages/app-tests/binaryCellDownload.test.ts
@@ -13,6 +13,7 @@ import {
   isBinaryCellColumnType,
   binaryCellUtf8Text,
   isBlobCellColumnType,
+  isBlobTextPreviewDatabase,
   MAX_BINARY_CELL_IMPORT_BYTES,
   parseBinaryCellBytes,
   parseBinaryCellHexValue,
@@ -246,7 +247,14 @@ test("binaryCellClipboardText decodes textual MySQL varbinary and preserves arbi
 
 // 回归：SQLite/DuckDB 等库同样有 `blob` 列，文本预览必须与编辑写回路径一样仅对 mysql 开启，
 // 否则出现“单元格/详情显示文本、编辑器却是十六进制”的不一致。
-test("BLOB text preview stays limited to MySQL connections", () => {
+test("BLOB text preview stays limited to MySQL and Oracle family connections", () => {
+  assert.equal(isBlobTextPreviewDatabase("mysql"), true);
+  assert.equal(isBlobTextPreviewDatabase("oracle"), true);
+  assert.equal(isBlobTextPreviewDatabase("oceanbase-oracle"), true);
+  assert.equal(isBlobTextPreviewDatabase("sqlite"), false);
+  assert.equal(isBlobTextPreviewDatabase("duckdb"), false);
+  assert.equal(isBlobTextPreviewDatabase(undefined), false);
+
   assert.equal(binaryCellUtf8Text("0x2332303035383035", "LONGBLOB", "sqlite"), null);
   assert.equal(binaryCellUtf8Text("0x2332303035383035", "BLOB", "duckdb"), null);
   assert.equal(binaryCellUtf8Text("0x2332303035383035", "LONGBLOB", undefined), null);
@@ -254,6 +262,14 @@ test("BLOB text preview stays limited to MySQL connections", () => {
   assert.equal(binaryCellDisplayText("0x2332303035383035", "BLOB", undefined, "duckdb"), "BLOB [8 bytes]");
   assert.equal(binaryCellDisplayText("0x2332303035383035", "LONGBLOB", undefined), "BLOB [8 bytes]");
   assert.equal(binaryCellDisplayText("0x2332303035383035", "LONGBLOB", undefined, "mysql"), "#2005805");
+
+  // Oracle 及 OceanBase-Oracle 的 BLOB 文本预览
+  assert.equal(binaryCellUtf8Text("0x48656c6c6f", "BLOB", "oracle"), "Hello");
+  assert.equal(binaryCellUtf8Text("0x48656c6c6f", "BLOB", "oceanbase-oracle"), "Hello");
+  assert.equal(binaryCellDisplayText("0x48656c6c6f", "BLOB", undefined, "oracle"), "Hello");
+  assert.equal(binaryCellDisplayText("0x48656c6c6f", "BLOB", undefined, "oceanbase-oracle"), "Hello");
+  assert.equal(binaryCellDisplayText("0x89504e47", "BLOB", undefined, "oracle"), "BLOB [4 bytes]");
+
   // binary/varbinary 的文本预览是既有行为（如 TDengine BINARY 文本），不受 mysql 闸门影响。
   assert.equal(binaryCellDisplayText("0x534e2d4130303031", "VARBINARY(8)", undefined, "sqlite"), "SN-A0001");
 });
diff --git a/packages/app-tests/dataGridCellCoercion.test.ts b/packages/app-tests/dataGridCellCoercion.test.ts
index 606839dc63..212691837f 100644
--- a/packages/app-tests/dataGridCellCoercion.test.ts
+++ b/packages/app-tests/dataGridCellCoercion.test.ts
@@ -210,3 +210,16 @@ test("MySQL binary BLOB editor keeps non-text bytes in hex", () => {
   assert.equal(dataGridCellEditorText({ value: oldValue, databaseType: "mysql", columnInfo }), oldValue);
   assert.equal(coerceDataGridCellValue({ value: oldValue, oldValue, databaseType: "mysql", columnInfo }), oldValue);
 });
+
+test("Oracle and OceanBase-Oracle text BLOB editor decodes UTF-8 and writes edited bytes as hex", () => {
+  const oldValue = "0x2332303035383035";
+  const columnInfo = { data_type: "blob" };
+
+  for (const databaseType of ["oracle", "oceanbase-oracle"] as const) {
+    assert.equal(dataGridCellEditorText({ value: oldValue, databaseType, columnInfo }), "#2005805");
+    assert.strictEqual(coerceDataGridCellValue({ value: "#2005805", oldValue, databaseType, columnInfo }), oldValue);
+    assert.equal(coerceDataGridCellValue({ value: "新表达式", oldValue, databaseType, columnInfo }), "0xe696b0e8a1a8e8bebee5bc8f");
+    assert.equal(coerceDataGridCellValue({ value: "", oldValue, databaseType, columnInfo }), "0x");
+  }
+});
+