public static void cleanDataBase() { CommonDao commonDao = new CommonDao(); commonDao.cleanTable("KHACH_HANG"); commonDao.cleanTable("DON_DAT_HANG"); commonDao.cleanTable("DON_DAT_HANG_SP"); commonDao.cleanTable("LICH_SU_TRA_TRUOC"); commonDao.cleanTable("LIEN_HE"); commonDao.cleanTable("SAN_PHAM"); commonDao.cleanTable("SAN_PHAM_CHI_TIET"); }