public function exe()
{
DBConnector::set_db('neointelperu_apps2');
DBConnector::$results = NULL;
if ($this->fields == NULL) {
DBConnector::ejecutar($this->sql, $this->data);
} else {
DBConnector::ejecutar($this->sql, $this->data, $this->fields);
}
return DBConnector::$results;
}