DB Seeds in Laravel
Explore how to use database seeds in Laravel by setting up relationships between tables such as one-to-one, one-to-many, many-to-many, and polymorphic. Understand how to modify migrations, define foreign keys, create seeders, and execute them to populate test data facilitating efficient management of CRUD operations.
DB seeds with relations
In relational databases, tables are often linked to each other using foreign keys. The type of relationship between these tables depends on the number of entities involved.
One-to-one relationship: In a one-to-one relationship, two tables are connected in such a way that each record in one table is associated with only one record in the other table. For instance, each user can only have one profile.
One-to-many: These relationships occur when a record in one table is associated with multiple records in another table. For instance, a user can have multiple posts.
Many to many: A many-to-many relationship is a relationship between two tables where one record in one table can be related to many forms in the other table and vice versa. For instance, a user can have numerous tags, and several users can have labels associated with them.
Polymorphic: A polymorphic relationship is a relationship between two tables where the relationship can be of different types. For example, a comment can relate to a user or a post. ...