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

题目

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


相似考题
参考答案和解析
参考答案:D
更多“You are working in an online transaction processing (OLTP) environment. You use the FLASHB ”相关问题
  • 第1题:

    You’re such a hardworking student, you()the praise.

    A、reserve

    B、deserve

    C、conserve

    D、preserve


    正确答案:B

  • 第2题:

    You've misspelled this word again.You'd better look it up ()

    此题为判断题(对,错)。


    参考答案:对

  • 第3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;


    link(me,you):a;

  • 第4题:

    – David, you've been losing your temper over nothing lately.– ( ).

    A. I haven’t been getting much sleep either

    B. You’d better not push yourself too hard, or you’ll get sick

    C. I’m sorry. I shouldn’t have blown up like that

    D. You’d better do exercises regularly


    正确答案:C

  • 第5题:

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

    A.you87

    B.online

    C.sh

    D.online.sh.cn


    正确答案:A


  • 第6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.


    You'd better set a limit on your online chatting time.