$fillable $hidden $guarded $appends $with $timestamps $dates $casts $primaryKey $incrementing $keyType $table $connection $touches $attributes: $fillable: An array of properties that can be mass-assigned. class User extends Model { protected $fillable = [ 'name', 'email', 'password', ]; } 2. $hidden: An array of properties that should be hidden when the…

In Laravel, traits are a way to reuse common functionality across multiple classes. A trait is similar to an abstract class, but it cannot be instantiated on its own. Instead, it is used to add methods to existing classes. Here is an example of a trait in Laravel: <?php namespace App\Traits; trait…

According to this relationship: class User extends Authenticatable { public function posts() { return $this->hasMany(Post::class); } } class Post extends Model { public function user() { return $this->belongsTo(User::class); } public function comments() { return $this->hasMany(Comment::class); } } class Comment extends Model { public function post() { return $this->belongsTo(Post::class); } }

There are several ways to point a domain to an EC2 instance, including: Using Route53: You can use Amazon’s Route53 service to manage your domain’s DNS settings and point your domain to your EC2 instance. Using an Elastic IP address: You can associate an Elastic IP address with your EC2…

There are several techniques that you can use to optimize the performance of your Laravel application: 1. Use indexing. 2. Use caching. 3. Use eager loading. 4. Use Queues. 5. Laravel Debuger. a. Use the ORM efficiently. b. Use the debug bar. c. Use profiling. d…

To use the Laravel debug bar, you will need to install the laravel/ui package and the barryvdh/laravel-debugbar package using Composer: composer require laravel/ui barryvdh/laravel-debugbar --dev Next, you will need to publish the assets for the debug bar using the vendor:publish Artisan command: php artisan vendor:publish --provider="Barryvdh\Debugbar\ServiceProvider" Then, in your config/app.php…

Pessimistic locking is a concurrency control method that prevents multiple transactions from accessing the same data simultaneously. When a transaction acquires a lock on some data, other transactions are prevented from accessing that data until the lock is released. …

There are several ways you can improve the performance of a query in Laravel: 1. Use eager loading.(***) 2. Use cache.(***) 3. Use index.(***) 4. Use raw SQL(quer()) 5. Use explain 6. Laravel Parameter Binding Use eager loading: When retrieving data from multiple tables, you can use eager loading to…

Scaling a database is the process of increasing the capacity and performance of a database to handle a larger volume of data and requests. There are several approaches to scaling a database, and the specific steps you should follow will depend on your database and the specific requirements of your…