Example 1: laravel join
Inner Join : ->join('contacts', 'users.id', '=', 'contacts.user_id')
Left Join : ->leftJoin('posts', 'users.id', '=', 'posts.user_id')
Right Join : ->rightJoin('posts', 'users.id', '=', 'posts.user_id')
Cross Join : ->crossJoin('colors')
Advance Queries :
-----------------
->join('contacts', function ($join) {
$join->on('users.id', '=', 'contacts.user_id')
->where('contacts.user_id', '>', 5);
})
Example 2: how to get data from a table in laravel
use Illuminate\Support\Facades\DB;
class UserController extends Controller
{
public function index()
{
$users = DB::table('users')->select('id','name','email')->get();
return view('some-view')->with('users', $users);
}
}
Example 3: laravel not in query
DB::table(..)->select(..)->whereNotIn('book_price', [100,200])->get();
Example 4: parametre grouping laravel quert
DB::table('users')
->where('name', '=', 'John')
->where(function ($query) {
$query->where('votes', '>', 100)
->orWhere('title', '=', 'Admin');
})
->get();
Example 5: wherein laravel
DB::table('user')->whereIn('id', [100,200])->get();
Example 6: laravel wher in
$users = DB::table('users')
->whereIn('id', [1, 2, 3])
->get();