laravel not in code example

Example 1: laravel not in query

DB::table(..)->select(..)->whereNotIn('book_price', [100,200])->get();

Example 2: laravel wher in

$users = DB::table('users')
                    ->whereIn('id', [1, 2, 3])
                    ->get();

Example 3: DB::table('users')->get();

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