laravel query builder and in where code example

Example 1: laravel orWhere

$camps = $field->camps()->where('status', 0)->where(function ($q) {
    $q->where('sex', Auth::user()->sex)->orWhere('sex', 0);
})->get();

Example 2: DB::table('users')->get();

DB::select('SELECT * FROM users WHERE name = ?', array(Input::get('name')));