【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
【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】The table is in front of the couch, but Paul is behind the couch. What does this mean?
A.
The couch is between Paul and the table.
B.
The couch is behind Paul and the table.
【单选题】The table is similar in design to the other , but the top is ( ).
【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
【简答题】请解释下列词语: 货币制度 信用货币 价值尺度 流通手段 货币存量 无限法偿 格雷欣法则 金汇兑本位制