php อัพโหลดไฟล์เข้าดาต้าเบสของ cloud server ไม่ได้

<?PHP
include('include/function.php');
?>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<?php
//echo "\$_FILES[\"fileUpload\"][\"name\"] = ".$_FILES["fileUpload"]["name"]."<br>";
//echo "\$_FILES[\"fileUpload\"][\"type\"] = ".$_FILES["fileUpload"]["type"]."<br>";
//echo "\$_FILES[\"fileUpload\"][\"size\"] = ".$_FILES["fileUpload"]["size"]."<br>";
//echo "\$_FILES[\"fileUpload\"][\"tmp_name\"] = ".$_FILES["fileUpload"]["tmp_name"]."<br>";
//echo "\$_FILES[\"fileUpload\"][\"error\"] = ".$_FILES["fileUpload"]["error"]."<br>";

if(move_uploaded_file($_FILES["fileUpload"]["tmp_name"],"myfile/".$_FILES["fileUpload"]["name"])) // Upload/Copy
{
	echo "<script>alert('เพิ่มไฟล์เรียบร้อย');window.location=\"tag_details_durable.php?tag_du_id=$_POST[tag_du_id]\";</script>";

//*** Insert Record ***//
		$objConnect = mysql_connect("localhost","root","") or die("Error Connect to Database");
		mysql_query("SET character_set_results=utf8");
  mysql_query("SET character_set_client=utf8");
  mysql_query("SET character_set_connection=utf8");
		$objDB = mysql_select_db("work");
		$strSQL = "INSERT INTO `work`.`work_du_file`";
		$strSQL .="(`file_du_id`, `file_du_name`, `tag_du_id`, `file_du_detail`, `last_update`) VALUES ('".$_POST["file_du_id"]."','".$_FILES["fileUpload"]["name"]."','".$_REQUEST["tag_du_id"]."','".$_POST["file_du_detail"]."',now())";
		$objQuery = mysql_query($strSQL);	
		//echo "<meta http-equiv='refresh' content='0; url=tag_details_durable.php?tag_du_id=$_POST[tag_du_id]' >  ";	
	}
?>