join in column laravel 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: DB::table('users')->get();

DB::select('SELECT * FROM users WHERE name = "'.Input::get('name').'"');