setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); $conn->beginTransaction(); $sql = "UPDATE Szemely SET telepules='Debrecen' WHERE id=1"; $conn->exec($sql); $sql = "UPDATE Szemely SET telepules='Debrecen' WHERE id=2"; $conn->exec($sql); $conn->commit(); } catch (PDOException $e) { $conn->rollBack(); } ?>