diff --git a/bindings/nodejs/README.md b/bindings/nodejs/README.md
index ab23c053..8ec5d0e6 100644
--- a/bindings/nodejs/README.md
+++ b/bindings/nodejs/README.md
@@ -42,20 +42,20 @@ while (row) {
 
 ### General Data Types
 
-| Databend    | Node.js         |
-| ----------- | --------------- |
-| `BOOLEAN`   | `Boolean`       |
-| `TINYINT`   | `Number`        |
-| `SMALLINT`  | `Number`        |
-| `INT`       | `Number`        |
-| `BIGINT`    | `Number`        |
-| `FLOAT`     | `Number`        |
-| `DOUBLE`    | `Number`        |
-| `DECIMAL`   | `String`        |
-| `DATE`      | `Date`          |
-| `TIMESTAMP` | `Date`          |
-| `VARCHAR`   | `String`        |
-| `BINARY`    | `Array(Number)` |
+| Databend    | Node.js   |
+| ----------- | --------- |
+| `BOOLEAN`   | `Boolean` |
+| `TINYINT`   | `Number`  |
+| `SMALLINT`  | `Number`  |
+| `INT`       | `Number`  |
+| `BIGINT`    | `Number`  |
+| `FLOAT`     | `Number`  |
+| `DOUBLE`    | `Number`  |
+| `DECIMAL`   | `String`  |
+| `DATE`      | `Date`    |
+| `TIMESTAMP` | `Date`    |
+| `VARCHAR`   | `String`  |
+| `BINARY`    | `Buffer`  |
 
 ### Semi-Structured Data Types
 
diff --git a/bindings/nodejs/tests/binding.js b/bindings/nodejs/tests/binding.js
index bbf68ff9..5d8a46b7 100644
--- a/bindings/nodejs/tests/binding.js
+++ b/bindings/nodejs/tests/binding.js
@@ -34,21 +34,35 @@ Then("Select string {string} should be equal to {string}", async function (input
 });
 
 Then("Select types should be expected native types", async function () {
-  // NumberValue::Decimal
-  const row1 = await this.conn.queryRow(`SELECT 15.7563::Decimal(8,4), 2.0+3.0`);
-  assert.deepEqual(row1.values(), ["15.7563", "5.0"]);
+  // Binary
+  {
+    const row = await this.conn.queryRow("select to_binary('xyz')");
+    assert.deepEqual(row.values(), [Buffer.from("xyz")]);
+  }
+
+  // Decimal
+  {
+    const row = await this.conn.queryRow(`SELECT 15.7563::Decimal(8,4), 2.0+3.0`);
+    assert.deepEqual(row.values(), ["15.7563", "5.0"]);
+  }
 
   // Array
-  const row2 = await this.conn.queryRow(`SELECT [10::Decimal(15,2), 1.1+2.3]`);
-  assert.deepEqual(row2.values(), [["10.00", "3.40"]]);
+  {
+    const row = await this.conn.queryRow(`SELECT [10::Decimal(15,2), 1.1+2.3]`);
+    assert.deepEqual(row.values(), [["10.00", "3.40"]]);
+  }
 
   // Map
-  const row3 = await this.conn.queryRow(`SELECT {'xx':to_date('2020-01-01')}`);
-  assert.deepEqual(row3.values(), [{ xx: new Date("2020-01-01") }]);
+  {
+    const row = await this.conn.queryRow(`SELECT {'xx':to_date('2020-01-01')}`);
+    assert.deepEqual(row.values(), [{ xx: new Date("2020-01-01") }]);
+  }
 
   // Tuple
-  const row4 = await this.conn.queryRow(`SELECT (10, '20', to_datetime('2024-04-16 12:34:56.789'))`);
-  assert.deepEqual(row4.values(), [[10, "20", new Date("2024-04-16T12:34:56.789Z")]]);
+  {
+    const row = await this.conn.queryRow(`SELECT (10, '20', to_datetime('2024-04-16 12:34:56.789'))`);
+    assert.deepEqual(row.values(), [[10, "20", new Date("2024-04-16T12:34:56.789Z")]]);
+  }
 });
 
 Then("Select numbers should iterate all rows", async function () {
diff --git a/bindings/python/tests/asyncio/steps/binding.py b/bindings/python/tests/asyncio/steps/binding.py
index 3c2924b6..78fd7bcd 100644
--- a/bindings/python/tests/asyncio/steps/binding.py
+++ b/bindings/python/tests/asyncio/steps/binding.py
@@ -62,17 +62,17 @@ async def _(context, input, output):
 @then("Select types should be expected native types")
 @async_run_until_complete
 async def _(context):
-    # NumberValue::Decimal
+    # Binary
+    row = await context.conn.query_row("select to_binary('xyz')")
+    assert row.values() == (b"xyz",), f"Binary: {row.values()}"
+
+    # Decimal
     row = await context.conn.query_row("SELECT 15.7563::Decimal(8,4), 2.0+3.0")
     assert row.values() == (
         Decimal("15.7563"),
         Decimal("5.0"),
     ), f"Decimal: {row.values()}"
 
-    # Binary
-    row = await context.conn.query_row("select to_binary('xyz')")
-    assert row.values() == (b"xyz",), f"Binary: {row.values()}"
-
     # Array
     row = await context.conn.query_row("select [10::Decimal(15,2), 1.1+2.3]")
     assert row.values() == (
diff --git a/bindings/python/tests/blocking/steps/binding.py b/bindings/python/tests/blocking/steps/binding.py
index 15c4353e..7e8ed32a 100644
--- a/bindings/python/tests/blocking/steps/binding.py
+++ b/bindings/python/tests/blocking/steps/binding.py
@@ -57,17 +57,17 @@ def _(context, input, output):
 
 @then("Select types should be expected native types")
 async def _(context):
-    # NumberValue::Decimal
+    # Binary
+    row = context.conn.query_row("select to_binary('xyz')")
+    assert row.values() == (b"xyz",), f"Binary: {row.values()}"
+
+    # Decimal
     row = context.conn.query_row("SELECT 15.7563::Decimal(8,4), 2.0+3.0")
     assert row.values() == (
         Decimal("15.7563"),
         Decimal("5.0"),
     ), f"Decimal: {row.values()}"
 
-    # Binary
-    row = context.conn.query_row("select to_binary('xyz')")
-    assert row.values() == (b"xyz",), f"Binary: {row.values()}"
-
     # Array
     row = context.conn.query_row("select [10::Decimal(15,2), 1.1+2.3]")
     assert row.values() == (