display values from to_char() function.

["hridyesh pant" <hridyesh.pant@xxxxxxxxx>]

Hi Guys,
i am facing one issue while displaying data.
my sql query is
>>
$res = oci_parse($db,"select
label_name,task_name,task_runnum,task_result,task_machine,task_view,to_char(task_start-(+480/1440),'mm/dd/yy-hh24:mi'),to_char(task_end-(+480/1440),'mm/dd/yy-hh24:mi'),task_owner,label_phase,to_char(task_actual_start-(+480/1440),'mm/dd/yy-hh24:mi')
from intg_label_hist where label_name ='".$q."' order by task_start DESC");

if (!$res) {
                                    echo("<P>Error performing query: " .
                                    mysql_error() . "</P>");
                                    exit();
                          }
 oci_execute($res);

while ( $row = oci_fetch_array($res) )
{
      echo"<TD><font color=\"#336699\"><b>*$row[TASK_START]*</TD>";
      echo"<TD><font color=\"#336699\"><b>*$row[TASK_END]*</TD>";
      echo"<TD><font color=\"#336699\"><b>$row[LABEL_NAME]</TD>";
      echo"<TD><font color=\"#336699\"><b>$row[TASK_NAME]</TD>";
}

but i am not able to get any value of* $row[TASK_END]* and *$row[TASK_START]
but *rest of the value os coming fine.So i suspect in my select statement
because these two value are like
to_char(task_start-(+480/1440),'mm/dd/yy-hh24:mi'),to_char(task_end-(+480/1440),'mm/dd/yy-hh24:mi')
in my select statement.
How do i print the values which are coming to_char() function.

Thanks
hp