/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

2 votes223 views1 answer
Create laravel project old version
PHP Laravel
1 vote196 views1 answer
Laravel realation with has
PHP Laravel
2 votes186 views2 answers
Laravel show table columns
PHP Laravel
1 vote217 views2 answers
Laravel throttle
PHP Laravel
0 vote317 views1 answer
Touches in laravel
PHP Laravel
5 votes206 views2 answers
Laravel 5 use env variable in blade
PHP Laravel
2 votes223 views1 answer
Laravel difference between current time and created time
PHP Laravel
0 vote187 views1 answer
Target class admin homecontroller does not exist laravel 8
PHP Laravel
0 vote202 views1 answer
What is actullay work model in laravel
PHP Laravel
0 vote241 views1 answer
Laravel count the types of users
PHP Laravel