List types of relationships available in Laravel Eloquent?

Laravel Eloquent supports several types of relationships to manage and interact with related data in a database. Here are the main types of relationships available in Laravel Eloquent:

1. One-to-One: This relationship is used when one record in a table is associated with one and only one record in another table. For example, a user and their profile. This is implemented using the hasOne and belongsTo methods[2][3][5][6][10].

2. One-to-Many: This relationship is used when one record in a table can be associated with multiple records in another table. For example, an author and their books. This is implemented using the hasMany and belongsTo methods[1][7][15][16][20].

3. Many-to-Many: This relationship is used when multiple records in a table can be associated with multiple records in another table. For example, students and courses. This is implemented using the belongsToMany method and requires a pivot table to manage the relationships[8][14][17].

4. Has Many Through: This relationship allows you to define a relationship through an intermediate model. For example, a country has many posts through users. This is implemented using the hasManyThrough method[4][13].

5. Polymorphic Relations: This relationship allows a model to belong to more than one other model on a single association. For example, a comment model can belong to both a post model and a video model. This is implemented using the morphTo, morphMany, and morphOne methods[1][4][13].

6. Many-to-Many Polymorphic Relations: This relationship is a combination of many-to-many and polymorphic relationships. For example, a tag model can belong to both posts and videos. This is implemented using ...