CUSTOMER_INFORMATION
--------------------
id  (auto-incrementing sequence, not null)
first_name
last_name
address_1
address_2
city
state
country
postal_code
...etc...

##</code><code>##

  $dbh = DBI->connect($dsn, $user, $pass,
                      { RaiseError => 1, PrintError => 1, AutoCommit => 1 });

  $sql = $dbh->prepare_cached('
INSERT INTO Customer_Information (
  First_Name, Last_Name, Address_1, Address_2, City, State, 
  Postal_Code
) VALUES (
  ?, ?, ?, ?, ?, ?, ?);
');

  $sql->execute($FName, $LName, $Address1, $Address2, $City, $State,
                $PostalCode);

##</code><code>##

select max(id) from customer_information where first_name = $FName and last_name = $LName;