public Boolean update(String query) {
		/*
		 *TODO  Update and execute must be written in Curl! Update must ask if autoCommit
		 */
		try {
			Statement stm = this.con.createStatement();
			stm.executeUpdate(query);
			stm.close();
			return true;
		} catch (SQLException e) {
			LogHandler.writeStackTrace(log, e, Level.SEVERE);
			return false;
		}
	}