LARAVEL Eloquent ORM & Database Flashcards

Which Artisan command creates a new Eloquent model along with its migration file?

Answer: php artisan make:model Post -m

The -m flag with make:model instructs Artisan to generate a corresponding database migration file simultaneously.

What does the `$hidden` property do in a Laravel Eloquent model?

Answer: Excludes listed attributes from array and JSON serialization

Attributes listed in $hidden are omitted when the model is converted to an array or JSON, commonly used for passwords and tokens.

How does Laravel's `updateOrCreate()` method work?

Answer: It updates an existing record if found by the given attributes, otherwise creates a new one

updateOrCreate() performs an upsert: it searches by the first argument's attributes and updates with the second, or creates if not found.

What is a database migration in Laravel?

Answer: A version-controlled PHP file that defines database schema changes

Migrations are PHP classes that describe schema changes (create tables, add columns) in a version-controlled, reversible manner.

Which method do you call to roll back the most recent batch of database migrations?

Answer: php artisan migrate:rollback

php artisan migrate:rollback reverses the last batch of migrations by calling the down() method on each migration file in reverse order.

What is the purpose of Eloquent's `withTrashed()` method?

Answer: To include soft-deleted records in a query result

withTrashed() modifies the query scope to include records where deleted_at is not null, making soft-deleted rows visible.