Perulangan melalui mysql_fetch_array di PHP

$i = 0;
$records = mysql_num_rows($sections_query);
while($row_sections = mysql_fetch_array($sections_query))
{
    echo "<h3>" . $row_sections['section_name'] . "</h3>";
}

Itu akan melewati setiap baris dan mencetak Nama Bagian.