What is the danger associated with stopping a running job by using the STOP_JOB procedure?()A. The job will need to be reenabled before it will execute again.B. The job may hold locks on objects referenced within it.C.All jobs within the job group will al

题目
What is the danger associated with stopping a running job by using the STOP_JOB procedure?()

A. The job will need to be reenabled before it will execute again.

B. The job may hold locks on objects referenced within it.

C.All jobs within the job group will also be stopped.

D. The job may leave data in an inconsistent state.

E. There is no danger in using the STOP_JOB procedure.

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更多“What is the danger associated with stopping a running job by using the STOP_JOB procedure?() ”相关问题

  • 第1题：

    Whichviewwillyouusetoviewinformationregardingthejobsthatarecurrentlyrunninginadatabase?()

    A.DBA_SCHEDULER_RUNNING_JOBS

    B.DBA_SCHEDULER_JOB_RUN_DETAILS

    C.DBA_SCHEDULER_JOBS

    D.DBA_SCHEDULER_JOB_LOG


    参考答案：A

  • 第2题：

    When setting arguments for a job, which procedure do you use for types that cannot be implicitly converted to and from a VARCHAR2 datatype?()

    A. SET_JOB_ARGUMENT_VALUE

    B. SET_JOB_VALUE_ANYDATA

    C. SET_JOB_ANYDATA_VALUE

    D. SET_SPECIAL_JOB_VALUE

    E. SET_JOB_ANYTYPE_VALUE


    参考答案：C

  • 第3题：

    Thedataondatavgisinaccessible.Using"df"theuserdiscoversthatnoneofthedatavgfilesystemsaremounted.Running"lsvg"showsonlyrootvg.Running"importvg-y"givesthefollowingerror:"056-056volumecannotbevariedonbecausepvismarkedmissing".Whichofthefollowingstepsshouldbeperformed?（）

    A.Runcfgmgr.

    B.Runsynclvodm.

    C.Lookinerrorlogforhardwareproblems.

    D.Bootintoservicemodeandrunfsckonfilesystems.


    参考答案：C

  • 第4题：

    Which Scheduler view(s) can be queried to see which jobs are currently executing? ()

    A. DBA_SCHEDULER_JOB_RUN_DETAILS

    B. DBA_SCHEDULER_RUNNING_JOBS DBA

    C. DBA_SCHEDULER_CURRENT_JOBS

    D. DBA_SCHEDULER_JOBS DBA

    E. DBA_SCHEDULER_EXECUTING_JOBS


    参考答案：B, D

  • 第5题：

    设有一组作业，它们的作业提交时刻及估计运行时间如下所示： 作业号 提交时刻 估计运行时间(分钟) Job1 8：30 70 Job2 9：10 30 Job3 9：30 15 Job4 9：50 5 在单道批处理方式下，采用短作业优先调度算法，作业的执行顺序为

    A．Job1，Job4，Job3，Job2

    B．Job1，Job3，Job4，Job2

    C．Job4，Job3，Job2，Job1

    D．Job4，Job1，Job2，Job3


    正确答案：B
    解析：本题考查短作业优先调度算法的概念。短作业(进程)优先调度算法是指对短作业或短进程优先调度的算法。它们可以分别用于作业调度和进程调度。短作业优先调度算法，是从后备队列中选择一个或若干个估计运行时间最短的作业，将它们调入内存运行。而短进程优先调度算法，则是从就绪队列中选出一估计运行时间最短的进程，将处理机分配给它，使它立即执行并一直执行到完成，或发生某事件而被阻塞放弃处理机时，再重新调度。进程首先执行的是Job1，该作业到9:40完成，此时Job2和Job3在等待队列中，按照短作业调度算法，此时执行Job3。Job3在10:10，此时等待队列中有Job2和Job4作业，此时执行Job4，最后执行Job2。正确答案为选项B。

  • 第6题：

    The lifeboat releasing gear lever should be marked with the words ______．

    A.DANGER，DO NOT TOUCH

    B.DANGER，BOAT MAY DROP

    C.DANGER，LEVER RELEASES BOAT

    D.DANGER，LEVER DROPS BOAT


    正确答案：D

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