An adminlevel corresponds to a hierarchy of locationtype related to a country.
| Name | Type | Not Null | Primary Key | Foreign Key | Remarks |
| :——— | :——— | :————- | :—————- | :—————- | :———— |
| adminlevelid | integer | X | X | This is the primary key of the table. | |
| allowadd | bool | X | This column indicates if the current entry can have some children or if it is a leaf node in computer science language. | ||
| name | character varying(30) | X | This is the human-readable name of the adminlevel. | ||
| countryid | integer | X | country(countryid) | This is a foreign key to the table country. | |
| parentid | integer | X | adminlevel(adminlevelid) | It corresponds to the parent of the adminlevel in the hierarchical tree. |