base model use

app/Models/myfitTracking.php

@@ -3,20 +3,20 @@ namespace App\Models;
 
 use CodeIgniter\Model;
 
-class myfitTracking extends Model
+class myfitTracking extends baseModel
 {
-    protected $db;
-    public $con_name = 'mermsemr';
+    //protected $db;
+  //  public $con_name = 'mermsemr';
 
     public function __construct()
     {
         parent::__construct();
-        $this->db = \Config\Database::connect($this->con_name);
+       // $this->db = \Config\Database::connect($this->con_name);
     }
 
     public function getTrackCategory()
     {
-        $sqlQ = 'SELECT * FROM tracking_category';
+        $sqlQ = 'SELECT * FROM tracking_category';  // order by something 
         $query = $this->db->query($sqlQ);
         return $query->getResultArray();
     }