Answers for "laravel create database in controller"

DB::transaction

use Illuminate\Support\Facades\DB;

DB::transaction(function () {
    DB::update('update users set votes = 1');

    DB::delete('delete from posts');
});

Writing into the database with one click laravel

<form action="{{ route('signup') }}" method="post">
    <button type="submit"> submit </button>
</form>