public function alterar(RendaSalario $obj)
 {
     $strSQL = "UPDATE ADM_ARS_RENDAS_SALARIAIS SET ";
     $strSQL .= "ARS_Descricao = '" . $obj->getDescricao() . "', ";
     $strSQL .= "ARS_Status = '" . $obj->getStatus() . "' ";
     $strSQL .= "WHERE ARS_ID = " . $obj->getId() . " ";
     return Db::getInstance()->executar($strSQL);
 }