RESERVATIONS.HOTEL_ID GROUP BY ARUP.RESERVATIONS.CUST_NAME, ARUP.RESERVATIONS.RESV_ID, ARUP.HOTELS.CITY UNDO DROP MATERIALIZED VIEW ARUP.是什么意思_RESERVATIONS.HOTEL_ID GROUP BY ARUP.RESERVATIONS.CUST_NAME, ARUP.RESERVATIONS.RESV_ID, ARUP.HOTELS.CITY UNDO DROP MATERIALIZED VIEW ARUP.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句