ps.setString(1, getTableName()); ps.setString(2, getIDColumnName()); ps.setInt(3, id);
	void delete()		throws Exception	{		DBManager dbm = DBManager.getInstance();		PreparedStatement ps = dbm.getPreparedStatement(DELETE_STM);		ps.setString(1, getTableName());			ps.setString(2, getIDColumnName());		ps.setInt(3, id);		ps.execute();		ps.close();	}