网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)

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 change number (SCN) was 663571. After flashing back the CUSTOMERS table, you realize that the table is not in the correct state. Now, you need to reverse the effects of the FLASHBACK TABLE command.Which is the fastest and the most efficient option to reverse the effects of the FLASHBACK TABLE command?()

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


参考答案

更多 “ 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 change number (SCN) was 663571. After flashing back the CUSTOMERS table, you realize that the table is not in the correct state. Now, you need to reverse the effects of the FLASHBACK TABLE command.Which is the fastest and the most efficient option to reverse the effects of the FLASHBACK TABLE command?()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 tableC. Execute the FLASHBACK DATABASE statement to retrieve the CUSTOMERS table as it was at SCN 663571D. Execute another FLASHBACK TABLE statement to retrieve the CUSTOMERS table as it was at SCN 663571 ” 相关考题
考题 You’ll be punished by law if you ________ your child. (A) use(B) abuse(C) used(D) abused

考题 You’d better have a rest. Let us do it, ________ you? A.doB.don’tC.willD.will not

考题 Tom: You are playing guitar well. Can you read music? Charles: No, I don't. I just listen to songs on the radio and then play them until they sound right. Tom: ______ Charles: No, really.A.You're lyingB.You're cheatingC.You are boastingD.You're kidding

考题 Does modern logistics mean transportation and delivery?()Modern logistics is more about effective and efficient flow of materials and information.A、 Yes, you’re rightB、 No, it’s not the whole storyC、 No, you' re wrong

考题 You’re such a hardworking student, you()the praise. A、reserveB、deserveC、conserveD、preserve

考题 – David, you've been losing your temper over nothing lately.– ( ).A. I haven’t been getting much sleep eitherB. You’d better not push yourself too hard, or you’ll get sickC. I’m sorry. I shouldn’t have blown up like thatD. You’d better do exercises regularly

考题 You've misspelled this word again.You'd better look it up () 此题为判断题(对,错)。

考题 某用户的E-mail地址为you87@online.sh.cn,则该用户的用户名为( )。A.you87B.onlineC.shD.online.sh.cn

考题 Me,you是两个初始集合,则下列关于派生集合定义方式正确的是A.link/me,you/:a;B.link(me,you):a;C.link/me you/a;D.link(me,you)/a;

考题 你最好控制一下上网聊天的时间。(汉译英)A.You'd better set a limit for your online chat time.B.You'd better set a limit on your online chat time.C.You'd better set a limit on your online chatting time.D.You'd better set a limit for your online chatting time.