UPDATE IM_PARA_CHECK_DATA_NEW A SET (OPERASTATE, COVER_TYPE, COVER_PRO, WORK_BAND, DEVICE_TYPE) =(SELECT OPERASTATE, COVER_TYPE, COVER_PRO, WORK_BAND, DEVICE_TYPE FROM LTE_ECELL_CONDATA_TOWYPT B WHERE A.CGI = B.TCI(+)); 如果数据量太大,则创建索引 1.创建索引 create in…