phpmyadmin เก็บข้อมูลได้สูงสุดกี่แถว อะ มันจำกัด ด้วยหรอครับ?

<?
	//*** Get Document Path ***//
	$strPath = realpath(basename(getenv($_SERVER["SCRIPT_NAME"]))); // 

C:/AppServ/www/myphp
	$OpenFile = "MyXls/Students1_1.xls";
	//*** Create Exce.Application ***//
	$xlApp = new COM("Excel.Application");
	//$xlBook = $xlApp->Workbooks->Open($strPath."/".$OpenFile);
	$xlBook = $xlApp->Workbooks->Open(realpath($OpenFile));

	$xlSheet1 = $xlBook->Worksheets(1);	

	//*** Insert to MySQL Database ***//
	$objConnect = mysql_connect("localhost","root","123") or die

("Error Connect to Database");
	$objDB = mysql_select_db("ps");

	for($i=2;$i<=220;$i++){
		If(trim($xlSheet1->Cells->Item($i,1)) != "")
		{
			$strSQL = "";
			$strSQL .= "INSERT INTO student";
			$strSQL .= 

"(no,std_no,std_id,std_prename,std_name,std_surname,l_class,l_room,gpa_old

,gpa_next,std_problem,gs_id ) ";
			$strSQL .= "VALUES ";
			$strSQL .= "('".$xlSheet1->Cells->Item

($i,1)."','".$xlSheet1->Cells->Item($i,2)."' ";
			$strSQL .= ",'".$xlSheet1->Cells->Item

($i,3)."','".$xlSheet1->Cells->Item($i,4)."' ";
			$strSQL .= ",'".$xlSheet1->Cells->Item

($i,5)."','".$xlSheet1->Cells->Item($i,6)."' ";
			$strSQL .= ",'".$xlSheet1->Cells->Item

($i,7)."','".$xlSheet1->Cells->Item($i,8)."' ";
			$strSQL .= ",'".$xlSheet1->Cells->Item

($i,9)."','".$xlSheet1->Cells->Item($i,10)."' ";
			$strSQL .= ",'".$xlSheet1->Cells->Item

($i,11)."','".$xlSheet1->Cells->Item($i,12)."') ";
			mysql_query($strSQL);
		}
	}
	
	//*** Close MySQL ***//
	@mysql_close($objConnect);

	//*** Close & Quit ***//
	$xlApp->Application->Quit();
	$xlApp = null;
	$xlBook = null;
	$xlSheet1 = null;
?>