/PHP/Laravel/Create foreign key laravel migration

Create foreign key laravel migration

Laravel foreign key

Schema::table('posts', function (Blueprint $table) {
    $table->unsignedBigInteger('user_id');

    $table->foreign('user_id')->references('id')->on('users');
});
OR
Schema::table('posts', function (Blueprint $table) {
    $table->foreignId('user_id')->constrained();
});

Make a forign key in migrations using laravel 8

$table->unsignedBigInteger('user_id');
$table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');

Foreign key laravel migration

$table->foreign('column_name')->references('id')->on('table_name')->onDelete('cascade');

Laravel 8 foreign key migration

use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

Schema::table('posts', function (Blueprint $table) {
    $table->unsignedBigInteger('user_id');

    $table->foreign('user_id')->references('id')->on('users');
});

Source: laravel.com

Create foreign key laravel migration

Schema::table('posts', function (Blueprint $table) {
    $table->unsignedBigInteger('user_id');

    $table->foreign('user_id')->references('id')->on('users');
});

Laravel adding Foreign Key Constraints

$table->foreignId('user_id')
      ->constrained("users") <- // You don't need to specify table if it matched laravel naming conventions.
      ->onUpdate('cascade')
      ->onDelete('cascade');

Source: laravel.com

Similar codes

0 vote369 views3 answers
Laravel migration softdelete
PHP Laravel
1 vote313 views4 answers
Laravel scheduler run
PHP Laravel
0 vote412 views1 answer
Laravel 8 Factory - One To Many (Polymorphic) Relationship
PHP Laravel
0 vote321 views1 answer
@lang laravel blade
PHP Laravel
21 votes335 views2 answers
Long text in laravel migration
PHP Laravel
1 vote323 views1 answer
How validate the value of object in arraye in laravel
PHP Laravel
0 vote327 views2 answers
Sweet alert confirm box laravel
PHP Laravel
0 vote351 views1 answer
Skip model accessor laravel8
PHP Laravel
2 votes315 views2 answers
Assert file exists laravel
PHP Laravel
1 vote259 views1 answer
Redirect from laravel controller to another link
PHP Laravel