countries for addresses
| Column Name | Type | Properties | Docu |
| countryid | string:3 | Primary-Key | abbreviated form of the country name (eg. "de", "us") |
| countryname | string:64 | long form of the country name (e.g. "Germany", "United States of America") |
| countryid | countryname |
| "de" | "Germany" |
| "at" | "Austria" |
| "ch" | "Switzerland" |