Source: https://medium.com/@Mahmoud_Zalt/eloquent-relationships-cheat-sheet-5155498c209
| One to one ( 1-1) |
One to many ( 1-n) |
Poly one to many ( 1x-n) |
Many to many ( n-n) |
Poly many to many ( nx-n) |
|
|---|---|---|---|---|---|
| Number of models | 2 only | 2 only | 3 and above | 2 only | 3 and above |
| Number of tables | 2 (1/model) | 2 (1/model) | 3+ (1/model) | 3 (1/model + pivot) | 4+ (1/model + pivot) |
| Pivot table | - | - | - | required |
