Horde_Db_Adapter::adapterName PHP Method

    public function adapterName();

 /**
  * Initialization tasks.
  *
  * @throws Horde_Alarm_Exception
  */
 public function initialize()
 {
     /* Handle any database specific initialization code to run. */
     switch ($this->_db->adapterName()) {
         case 'PDO_Oci':
             $query = "ALTER SESSION SET NLS_DATE_FORMAT = 'YYYY-MM-DD HH24:MI:SS'";
             $this->_db->select($query);
             break;
         case 'PDO_PostgreSQL':
             $query = "SET datestyle TO 'iso'";
             $this->_db->select($query);
             break;
     }
 }