- `company`, `position`, `gender`, `surname`, `family`,
- `street_nr1`, `street_nr2`, `zip`, `city`, `country`,
- `phone`, `fax`, `cell`, `email`, `url`, `tax_ident`,
- `receive_warnings`, `warning_interval`
+ `id`,`company`,`position`,`gender`,`surname`,`family`,
+ `street_nr1`,`street_nr2`,`zip`,`city`,`country`,
+ `phone`,`fax`,`cell`,`email`,`url`,`tax_ident`,
+ `receive_warnings`,`warning_interval`