/PHP/Laravel/Foreign key laravel migration

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');

Create foreign key laravel migration

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

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

Laravel foreign key constraint

public function up()
{
    Schema::create('replies', function (Blueprint $table) {
        $table->bigIncrements('id');
        $table->text('body');
        $table->unsignedBigInteger('question_id');
        $table->integer('user_id')->unsigned();
        $table->foreign('question_id')->references('id')->on('questions')->onDelete('cascade');
        $table->timestamps();
    });
}

Source: stackoverflow.com

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 vote143 views2 answers
Laravel storage link without command line
PHP Laravel
0 vote145 views1 answer
Laravel post index method
PHP Laravel
0 vote136 views1 answer
Load differenet .env file in laravel
PHP Laravel
2 votes137 views2 answers
404 page in laravel
PHP Laravel
0 vote150 views3 answers
Laravel disable Logging
PHP Laravel
0 vote140 views2 answers
Laravel permission to vuejs
PHP Laravel
16 votes152 views5 answers
Get user auth in laravel
PHP Laravel
2 votes135 views5 answers
Laravel db drop table
PHP Laravel
0 vote130 views1 answer
Laravel collection last
PHP Laravel
1 vote138 views1 answer
How get just one parameter of all objects in one array in laravel
PHP Laravel