delete query

[SvePu]

I guess with variables it is also possible, like:

$rowDel = "ST";
$db->delete_query('settinggroups', "name='".$rowDel."'"); 
//or
$db->delete_query('settinggroups', "name='{$rowDel}'"); 

But if you have only one string, the best way is like Destroy666 said.