multiple mySql coomands help

[jurros]

include("db.php");

this is what i want to do:
$query = "DELETE FROM undersok WHERE underId = '$Id'; \n";
$query .= "DELETE FROM stem WHERE underId = '$Id'; \n";
$query .= "DELETE FROM dato WHERE underId = '$Id';\n ";
echo "$query";
mysql_query($query,$db);

my old commands
//$query=mysql_query("DELETE FROM undersok WHERE underId = '$Id'",$db);

// $query=mysql_query("DELETE FROM stem WHERE underId = '$Id'",$db);
// $query=mysql_query("DELETE FROM dato WHERE underId = '$Id'",$db);
$query=mysql_query("SELECT max(underId) FROM undersok",$db);
$row = mysql_fetch_row($query);
$max_underId = $row[0];

[jurros]

=. insted of .=?

[Weedpacket]

Well, you don't say what the problem is, or why you tried to change it, but the fact is that you can only send one MySQL query per mysql_query().

[jurros]

but need to do it the other way so it doesnt call up mysql 3 times.. i need to split them...
the new code(top) it siply doestn delete the post in mysql, but when i wite out an echo "query" it posts that it actully deletes it

[jurros]

hlp out the mysql query is just to find out if it sends or not

[jurros]

pie, but still no 1 can figure it out..