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.

Laravel Eloquent Relationships: An Advanced Guide - Kinsta®

One-to-many relationships

Sequelize associations: n:m mapping

Solved How would you interpret the relationship below? It is

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Filament belongsToMany Select: Limit Number of Items

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A JSON Web Token (JWT)

Saving with relations (hasOne, hasMany)

Create a relation with the same collection type using the same field name - Questions and Answers - Strapi Community Forum

Laravel has many through relation, by Miladev95

Sequelize Tutorial: Episode 11 - Associations (hasOne, belongsTo, hasMany, belongsToMany)