Gebruik de zoekopdracht om de resultaten te ordenen en te beperken.
SELECT gmd
FROM account
ORDER BY gmd DESC
LIMIT 3
Gebruik je fetch-array om alle resultaten weer te geven.
$query = "SELECT gmd FROM account ORDER BY gmd DESC LIMIT 3";
$result = mysql_query($query);
while($row = mysql_fetch_array($result, MYSQL_ASSOC))
{
echo $row["gmd"];
}
mysql_free_result($result);