怎么利用PHP将从数据库中读取的数据保存再变量中

$query1=mssql_query("select * from tb_xm where xm_pcid='$xmpc_id'");	<br />
	while($myrow1=mssql_fetch_assoc($query1)){<br />
		echo $myrow1[xm_name];<br />
                $xm_name=$myrow1[xm_name];/***************/<br />
		$query2=mssql_query("select sum(xmpf_small_zf) as zf from tb_xmpf where xmpf_xm='$myrow1[xm_name]'");			<br />
		//echo $query2;<br />
		echo "总分：";<br />
		while($myrow2=mssql_fetch_assoc($query2)){<br />
		 echo $myrow2[zf];<br />
                 $xm_zf=$myrow2[zf];<br />
		 }<br />