package MyDB;
use base 'Class::DBI';
__PACKAGE__->set_db('Main', 'dbi:mysql:mydb', 'public', 'password');
1;

##</code><code>##

package MyDBUpdate;
use base 'Class::DBI';
__PACKAGE__->set_db('Main', 'dbi:mysql:mydb', 'staff', 'password');
1;

##</code><code>##

package Person;
use base 'MyDB';
__PACKAGE__->table('person');
__PACKAGE__->columns(All => qw/
        first_name
        last_name
        street
        city
        state
        zip
/);
1;

##</code><code>##

package PersonUpdate;
use base 'MyDBUpdate';
__PACKAGE__->table('person');
__PACKAGE__->columns(All => qw/
        first_name
        last_name
        street
        city
        state
        zip
/);
1;

##</code><code>##

package PersonUpdate;
use base 'Person';
__PACKAGE__->set_db('Main', 'dbi:mysql:mydb', 'staff', 'password');
1;