/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

0 vote339 views1 answer
Laravel collection get
PHP Laravel
1 vote332 views3 answers
Laravel eloquent to array key value
PHP Laravel
0 vote337 views1 answer
Logout from all the devices in the jwt api laravel
PHP Laravel
2 votes344 views1 answer
Laravel crud generator
PHP Laravel
48 votes338 views2 answers
Laravel check my laravel version
PHP Laravel
0 vote340 views1 answer
Laravel - Add conditional where clause in query
PHP Laravel
1 vote341 views2 answers
Use multiple database in laravel
PHP Laravel
1 vote339 views2 answers
Join multiple query in laravel
PHP Laravel
8 votes329 views3 answers
Laravel check record exists
PHP Laravel
1 vote333 views1 answer
Invalid datetime format laravel
PHP Laravel