join in laravel

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
3$users = DB::table('users')
4            ->join('contacts', 'users.id', '=', 'contacts.user_id')
5            ->join('orders', 'users.id', '=', 'orders.user_id')
6            ->select('users.*', 'contacts.phone', 'orders.price')
7            ->get();

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

1$users = DB::table('users')
2            ->join('contacts', 'users.id', '=', 'contacts.user_id')
3            ->join('orders', 'users.id', '=', 'orders.user_id')
4            ->select('users.*', 'contacts.phone', 'orders.price')
5            ->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$subCategories = Subcategory::join('categories', 'subcategories.category_id', '=', 'categories.id')
2                              ->select('subcategories.*', 'categories.name AS cname')
3                              ->orderBy('id', 'desc')
4                              ->get();
5