Difference between Has One, Has Many, BelongsToMany

One to one(hasOne) relationship: A user has(can have) one profile. So, A profile belongs to one user.

Eloquent Order by HasMany Relationship: Three Ways

Laravel 10 Many to Many Eloquent Relationship Tutorial

A JSON Web Token (JWT)

Detail explanation of the Eloquent relationships with Laravel 8 & 9

Why OK, Cancel might not work

Have you tried to map your universe?

Understanding Laravel belongsTo and hasMany Relationships, by Andre Elmustanizar

Active Record Associations — Ruby on Rails Guides

belongsToMany does act as hasMany · Issue #908 · mongodb/laravel-mongodb · GitHub

A JSON Web Token (JWT)