Doubt with angularJs with PHP

Hello guys,

I´m new in the world Angular and need make while in PHP but I´m receive error.

My php is:

$Conn = mysql_connect("127.0.0.1", "root", "");
$Db   = mysql_select_db("cdcol");

$sql = mysql_query("SELECT nome, Id FROM estudante ");
while ($row = mysql_fetch_assoc($sql)){

    $data[]=$row["nome"];
	
}

print json_encode($data);

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An my html:

<table>
	<thead>
    	<tr>
        <th>Name</th>
        <th>Roll No</th>
        </tr>
    </thead>
    <tbody>
    	<tr ng-repeat="student in data track by $index"> 
                <td>{{student.nome}}</td>
                <td>{{student.id}}</td>
		</tr>
    </tbody>
</table>

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I want get 2 fild from php:  nome and id  and show in html. I not can use Object I need learning with php Structured