Examine the following RMAN script:RMAN> run {debug on;allocate channel c1 type disk;backup datafile 5;}Which statement describes the purpose of the script?()A. The data file is checked for physical corruption and backed up if found clean.B. The backup of

题目
Examine the following RMAN script:RMAN> run {debug on;allocate channel c1 type disk;backup datafile 5;}Which statement describes the purpose of the script?()

A. The data file is checked for physical corruption and backed up if found clean.

B. The backup of data file 5 is performed and the interactive messages during the backup are suppressed.

C. The existing backup for the data file is checked and the backup is performed if there are changes in the data file after the last backup.

D. The backup of data file 5 is performed and all SQL statements that are executed during RMAN compilation and their results are displayed

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更多“Examine the following RMAN script:RMAN> run {debug on;allocate channel c1 type disk;backup datafile 5;}Which statement describes the purpose of the script?() ”相关问题

  • 第1题：

    YouareusingthebackupschedulerinEnterpriseManager(EM)toscheduleabackupofyourdatabase.Whichtypeofscriptdoesthebackupschedulergenerate?()

    A.SQLscript

    B.PL/SQLscript

    C.OperatingSystem（OS）script

    D.EnterpriseManager（EM）script

    E.RecoveryManager（RMAN）script


    参考答案：E

  • 第2题：

    An operator needs to run a script which will write standard output and standard error to different files. Which of the following commands will successfully perform this task?()

    A. myscript.ksh 1>/tmp/log/script.log 2>/tmp/log/script.err

    B. myscript.ksh $1>/tmp/log/script.log $2>/tmp/log/script.err

    C. myscript.ksh 1>/tmp/log/script.log 2>1 /tmp/log/script/err

    D. myscript.ksh 2>1 /tmp/log/script.log 2> /tmp/log/script.err


    参考答案：A

  • 第3题：

    【单选题】在 HTML5 中不再支持 ＜script＞ 元素的哪个属性

    A．src

    B．href

    C．rel

    D．type


    A

  • 第4题：

    The operator needs to execute a long－running shell script. How can the script be executed so the operator does not have to wait until it is complete to access the command prompt?()

    A. ./script.ksh

    B. nohup ./script.ksh

    C. run -b ./script.ksh

    D. ./script.ksh > nohup.out


    参考答案：A

  • 第5题：

    Examinethissyntaxwhichallocateschannelsduringaparallelimagecopy：RMAN>CONFIGUREDEVICETYPEdiskparallelism4：2>COPY3>datafile1TO‘/BACKUP/datafile1.dbf’，4>datafile2TO‘/BACKUP/datafile2.dbf’，5>datafile3TO‘/BACKUP/datafile3.dbf；RMAN>COPY2>datafile4TO‘/BACKUP/datafile4.dbf’；Howmanychannelsareused？（）

    A.0

    B.1

    C.3

    D.4


    参考答案：D

  • 第6题：

    【单选题】哪个HTML标签可用来定义内部样式表？

    A．＜style＞

    B．＜script＞

    C．＜css＞

    D．＜type＞


    A

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