/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

6 votes150 views2 answers
Laravel debugbar disable in production
PHP Laravel
0 vote152 views1 answer
Laravel many to many relation update
PHP Laravel
9 votes144 views6 answers
Laravel ui auth
PHP Laravel
13 votes349 views5 answers
Laravel add item to array
PHP Laravel
0 vote190 views2 answers
Laravel has one through relationship
PHP Laravel
0 vote144 views1 answer
How to use union and intersection in laravel query
PHP Laravel
46 votes192 views6 answers
Laravel make controller with model
PHP Laravel
0 vote157 views3 answers
Method put laravel
PHP Laravel
1 vote152 views1 answer
Forelse in laravel
PHP Laravel
1 vote205 views1 answer
Laravel 8 bootstrap pagination fix
PHP Laravel