【单选题】You are working in an online transaction processing (OLTP) environment. You use the FLASHBACKTABLE command to flash back the CUSTOMERS table. Before executing the FLASHBACK TABLE command, the system c...
A.
Restore the backup control file and open the database with RESETLOGS option.
B.
Perform point-in-time recovery because flashback cannot be performed again on this table
C.
Execute the FLASHBACK DATABASE statement to retrieve the CUSTOMERS table as it was at SCN 663571
D.
Execute another FLASHBACK TABLE statement to retrieve the CUSTOMERS table as it was at SCN 663571
【单选题】为迎接全国抗日新高潮到来做了理论和政治上的准备的会议是
【简答题】翻译 Mrs. Smith’s kitchen is small. There is a refrigerator in the kitchen. The refrigerator is white. It is on the right. There is an electric cooker in the kitchen. The cooker is blue. It is on the le...
【单选题】卷云皴是中国山水画中常用的皴法之一,笔多屈曲迂回,向中心环抱,故称“云头皴”。一代宗师 是其画法的开创者。
【单选题】The table is similar in design to the other , but the top is ( ).
【单选题】地下水污染异地处理可采用的技术是( )。
【单选题】支付功能如何与原来的功能系统(音乐商店)相配合?
【单选题】1960年“五一”节前后,周恩来总理出访南亚、东南亚诸国之前,曾到贵阳小憩()天
【简答题】请将下列专业词汇与正确的英文解释连接起来