Reference table linking CRM users with countries and regions
| Field name | Short description |
|---|---|
| country_name | name of the country to which the user belongs |
| key_country_id | unique identifier of the country |
| key_mr_id | unique identifier of the user (MR), linked to other tables through user_id |
| key_region_id | unique identifier of the region |
| region_name | name of the region to which the user belongs |