Struktur
| Feldname | Datentyp | Beschreibung |
| id | int | Autoinkrement |
| object_id | int | Objekt ID |
| object_type_id | int | Objekt Typ ID (ref. object_type) |
| to_object_id | int | Objekt ID |
| to_object_type_id | int | Objekt Typ ID (ref. object_type) |
Indize
| Indextyp | Indexname | Indexspalten |
