my $sql = "Insert into tableone values('1', '2', '3')
my $nextsql = "Insert into tabletwo values('4', '5', '6')
my $lastsql = "Insert into tablethree values('7', '8', '9')

my $loadHandle = $dbh->prepare("$sql; $nextsql; $lastsql");
  
$loadHandle->execute || 
  die "Could not execute SQL statement ... maybe invalid?";