/PHP/Laravel/Foreign key in laravel migration

Foreign key in 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();
});

Foreign key in laravel migration

$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

Similar codes

26 votes117 views4 answers
Where is cache file in laravel
PHP Laravel
0 vote107 views1 answer
Laravel blade image
PHP Laravel
0 vote112 views1 answer
Laravel password require one letter and one number
PHP Laravel
0 vote113 views1 answer
Laravel compare request domain and app domain and request original domain
PHP Laravel
0 vote139 views1 answer
How to update request all value in laravel controller before save in database
PHP Laravel
9 votes132 views2 answers
A facade root has not been set laravel
PHP Laravel
63 votes250 views6 answers
Laravel artisan clear cache
PHP Laravel
1 vote107 views1 answer
Install tymon jwt laravel
PHP Laravel
1 vote80 views1 answer
Custom column for latest() laravel
PHP Laravel
1 vote115 views3 answers
Not equal in laravel blade
PHP Laravel