!/usr/bin/perl
use strict;
use warnings;
use DBI;

my $dbh = DBI->connect('DBI:ODBC:driver=Microsoft Access-Treiber (*.md
+b);dbq=db1.mdb',user,pass);
$dbh->{'LongReadLen'} = 6000; # For have a maximum of 6000 chars...
#... and so on....