| Name | Description |
|---|---|
| BelongsTo | A BelongsTo relationship represents the weak side of a 1->1 relationship. The local entity has responsibility for the foreign key. |
| HasMany | A HasMany relationship represents a 1 to N relationship. |
| HasOne | A HasOne relationship represents a 1->1 relationship. The local object owns the primary key, the foreign object has the foreign key. |
| Includer | Finds all possible objects in a relationship that might exist in a query and queries them in one shot for future hydration |