$ret=oci_execute($stmt);
$nrows=oci_fetch_all($stmt,$results);


if ($nrows>0)
{
echo "<table border='1' align='center' bordercolor='gray' cellspacing='0' cellpadding='5'> \n";
echo "<tr>\n";

foreach ($results as $key => $val)
{ echo "<th bgcolor='#FF9900' height='20' align='center'> <font color='white' face='verdana' size='2'> $key </font> </th> \n";
}
echo "</tr>\n";

for ($i=0; $i<$nrows; $i++) {
echo "<tr>\n";

foreach ($results as $data){

if($data[$i] == null)
{
echo "<td bgcolor='white' align='center'> <FONT COLOR='black' FACE='verdana' align='center' SIZE='3'> &nbsp </FONT> </td>\n";
}
else
{
echo "<td bgcolor='white' > <FONT COLOR='black' FACE='verdana' SIZE='2'> $data[$i] </font> </td> \n";
}