Laravel přidat Cizí Klíč Omezení
$table->foreignId('user_id')
->constrained("users") <- // You don't need to specify table if it matched laravel naming conventions.
->onUpdate('cascade')
->onDelete('cascade');
laravel cizí klíč omezení
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();
});
}