laravel after join get data in where code example

Example 1: join in laravel eloquent

$customer = DB::table('customers')
                ->join('shops', 'customers.shop_id', '=', 'shops.shop_id')
                ->where('customer_contact', $contact_no)
                ->get();

Example 2: laravel db inserr

$id = DB::table('users')->insertGetId(
    ['email' => '[email protected]', 'votes' => 0]
);