diff --git a/helper/database.mssql.pdo.php b/helper/database.mssql.pdo.php
new file mode 100644
index 0000000..b196835
--- /dev/null
+++ b/helper/database.mssql.pdo.php
@@ -0,0 +1,56 @@
+<?php
+// database.mssql.pdo.php
+
+if(!check_function_exists("get_db_mssql_pdo_connect")) {
+	function get_db_mssql_pdo_connect() {
+		$conn = false;
+
+		$config = get_config();
+
+		try {
+			$conn = new PDO(
+				sprintf(
+					"dblib:host=%s;dbname=%s",
+					$config['db_mssql_host'],
+					$config['db_mssql_name']
+				),
+				$config['db_mssql_username'],
+				$config['db_mssql_password']
+			);
+			$conn->exec("SET CHARACTER SET utf8");
+			$conn->query("SET ANSI_NULLS ON");
+			$conn->query("SET ANSI_WARNINGS ON");
+		} catch(PDOException $e) {
+			set_error($e->getMessage());
+			show_errors();
+		}
+
+		return $conn;
+	}
+}
+
+if(!check_function_exists("exec_db_mssql_pdo_query")) {
+	function exec_db_mssql_pdo_query($sql, $bind=array(), $options=array()) {
+		$dbc = get_value_in_array("dbc", $options, get_dbc_object());
+
+		if($dbc !== false) {
+			$binded_sql = get_db_binded_sql($sql, $bind);
+			$sth = $dbc->prepare($binded_sql);
+			$sth->execute();
+		}
+
+		return $sth; 
+	}
+}
+
+if(!check_function_exists("exec_db_mssql_pdo_fetch_all")) {
+	function exec_db_mssql_pdo_fetch_all($sql, $bind=array(), $options=array()) {
+		$rows = array();
+
+		$sth = exec_db_mssql_pdo_query($sql, $bind, $options);
+		$sth->setFetchMode(PDO::FETCH_ASSOC);
+		$rows = $sth->fetchAll();
+
+		return $rows;
+	}
+}