laravel query builder

1Inner Join 	: ->join('contacts', 'users.id', '=', 'contacts.user_id')
2Left Join 	: ->leftJoin('posts', 'users.id', '=', 'posts.user_id')
3Right Join 	: ->rightJoin('posts', 'users.id', '=', 'posts.user_id')
4Cross Join 	: ->crossJoin('colors')
5
6Advance Queries : 
7----------------- 
8 		->join('contacts', function ($join) {
9            $join->on('users.id', '=', 'contacts.user_id')
10                 ->where('contacts.user_id', '>', 5);
11        })
12  

1use Illuminate\Support\Facades\DB;
2
3class UserController extends Controller
4{
5    public function index()
6    {
7        $users = DB::table('users')->select('id','name','email')->get();
8
9        return view('some-view')->with('users', $users);
10    }
11}
12

1DB::table(..)->select(..)->whereNotIn('book_price', [100,200])->get();

1DB::table('users')
2            ->where('name', '=', 'John')
3            ->where(function ($query) {
4                $query->where('votes', '>', 100)
5                      ->orWhere('title', '=', 'Admin');
6            })
7            ->get();

1 DB::table('user')->whereIn('id', [100,200])->get();

1$email = DB::table('users')->where('name', 'John')->value('email');