my $insert= $dbh->prepare("INSERT INTO $table ($columns) VALUES ($rows)GO");

##</code><code>##

# Construct a string of "?" as the placeholders:
my $placeholders = join ",", map { "?" } keys %{$mirror{"$Itemnumber"}{"$table"}};
my $insert= $dbh->prepare("INSERT INTO $table ($columns) VALUES ($placeholders)");
$insert->execute(values %{$mirror{"$Itemnumber"}{"$table"}});