select in laravel eloquent code example

Example 1: wherein laravel

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

Example 2: join in laravel eloquent

$customer = DB::table('customers')
                ->join('shops', 'customers.shop_id', '=', 'shops.shop_id')
                ->where('customer_contact', $contact_no)
                ->get();

Example 3: laravel db inserr

DB::table('users')->insert([
    'email' => '[email protected]',
    'votes' => 0
]);

Example 4: update query in laravel eloquent

$data = DB::table('cart')
                ->where('crt_id', $id)
               ->update(['crt_status' =>'0']);