You have been assigned to manage a set of databases. The previous DBA did not leave you notes regarding the structure of each of the databases. While analyzing an instance， you notice that the system identifier （SID） for the instance is set to ’+ASM’. Wha

题目

You have been assigned to manage a set of databases. The previous DBA did not leave you notes regarding the structure of each of the databases. While analyzing an instance， you notice that the system identifier （SID） for the instance is set to ’+ASM’. What is the purpose of this instance？（）

  • A、 This instance is being used to manage the operating system files.
  • B、 This instance is being used to manage the files of other databases.
  • C、 This instance is being used to manage the instances of other databases.
  • D、 This instance is being used to manage the background processes of other instances.
相似考题

1.“() your best? It’s not satisfactory. I’m afraid you will have to do it again.”A.Do you tryB.Have you triedC.Are you tryingD.Have you been trying

2.You look(). What () you () ?A、tire, did…doB、tiring, have…doneC、tired, do…doD、tired, have…been doing

3.Where ________ you ________?A.are/beB.have/beC.is/beD.have/been

4.If you had been with us , you ____our excitement.A. have understoodB. understoodC. will understandD. would have understood

更多“You have been ”相关问题

  • 第1题：

    If you had been have yesterday，you______(see)his father.


    正确答案：
    would have seen[解析] 本题考查虚拟语气，条件句用过去完成时，表示与过去事实相反，主句常用would have done表示。

  • 第2题：

    --- ____?

    一I’ve never been there but I hope to go there in the future.

    A.Where are you going for holiday

    B.Have you been to America

    C.What did you do last week


    参考答案：B

  • 第3题：

    一____________?

    一I’v never been there but I hope to go there in the future.

    A .Where are you going for holiday

    B. Have you been to America

    C. What did you do last week


    参考答案：B

  • 第4题：

    A: How have you been? B: Fine.()


    参考答案： 正确

  • 第5题：

    — How long _____ at this job? — Since 2000.

    A、were you employed

    B、have you been employed

    C、had you been employed

    D、will you be employed


    正确答案:B

  • 第6题：

    Have you ever been employed?


    正确答案：
          

  • 第7题：

    Have you been taking much（）?

    Adrug

    Bpill

    Ctablet

    Dmedicine


    D
    略

  • 第8题：

    The work（）by the time you get there.

    Awill have been done

    Bwas done

    Chad been done

    Dhas done


    A
    略

  • 第9题：

    The work（）by the time you get there.

    • A、will have been done
    • B、was done
    • C、had been done
    • D、has done

    正确答案:A

  • 第10题：

    Using Oracle Scheduler you have scheduled two jobs， JOB_A and JOB_B， to run at 9：00 p.m. every Friday. You want both the jobs to use a single resource plan， WEEKEND_PLAN. Which task must have already been performed to enable you to achieve this objective？（）

    • A、 A window must have been created with the WEEKEND_PLAN resource plan.
    • B、 A program must have been created with the WEEKEND_PLAN resource plan.
    • C、 A job class must have been created with the WEEKEND_PLAN resource plan.
    • D、 A windows group must have been created with the WEEKEND_PLAN resource plan.

    正确答案:A

  • 第11题：

    单选题
    You can take off your raincoat now. The rain seems to stopped.
    A

    to stop          

    B

    to have stopped

    C

    to have been stopped

    D

    to have been stopping


    正确答案： A
    解析：
    句意：你现在可以脱掉雨衣。雨似乎已经停了。按本题首句规定的语境，[B]是符合常理的选择，因为不定式的完成时态用于表达已经发生的事。[C]则只适用于某种特定情景(如以人工手段制止降雨，但这并不现实)。

  • 第12题：

    单选题
    While designing your database， you have created the EMPLOYEEStable as an index-organized （IOT）. You want to create a bitmap index on the JOD_IDcolumn to make queries faster. Which task must have been completed so that you are able to create the bitmap index？（）
    A

     A primary key must have been created.

    B

     A mapping table must have been created.

    C

     An overflow tablespace must have been specified.

    D

     The PCTTHRESHOLD option must have been specified.


    正确答案： D
    解析： 暂无解析

  • 第13题：

    Have you ever been to the place? You can see many places of interest there．（合并为一句）

    Have you ever been to the place ________you can see many places of interest?


    正确答案：
    39. where

  • 第14题：

    --- ______?

    --- I’ve never been there but I hope to go there in the future.

    A. Have you been to America

    B. Where are you going for holiday

    C. What did you do last week


    参考答案：A

  • 第15题：

    If you're going to the club tonight, you ( ) Richard there.

    A、might meet

    B、might have met

    C、may have met

    D、may have been met


    参考答案：A

  • 第16题：

    I( )to ask you something, but I’ve never seen you for the last few months.

    A、have meant

    B、am meaning

    C、have been meaning

    D、mean


    参考答案：C

  • 第17题：

    What you saw can' t have been an aeroplane. I' m convincedit____ a large bird.

    A.must be

    B.has been built

    C.must have been

    D.could have been


    参考答案：A

  • 第18题：

    The problems that you () have been brought to the attention of our housekeeping department. While

    A.have been mentioned
    B.mentioned
    C.mentions
    D.mentioning

    答案：B
    解析：

  • 第19题：

    You look（） What（）you（）?

    Atire；did；do

    Btiring；have；done

    Ctired；do；do

    Dtired；have；been doing


    D
    略

  • 第20题：

    While designing your database， you have created the EMPLOYEES table as an index/x7forganized table （IOT）. You want to create a bitmap index on the JOB_ID column to make queries faster. Which task must have been completed so that you are able to create the bitmap index？（）

    • A、A primary key must have been created.
    • B、A mapping table must have been created.
    • C、An overflow tablespace must have been specified.
    • D、The PCTTHRESHOLD option must have been specified.

    正确答案:B

  • 第21题：

    While designing your database， you have created the EMPLOYEEStable as an index-organized （IOT）. You want to create a bitmap index on the JOD_IDcolumn to make queries faster. Which task must have been completed so that you are able to create the bitmap index？（）

    • A、 A primary key must have been created.
    • B、 A mapping table must have been created.
    • C、 An overflow tablespace must have been specified.
    • D、 The PCTTHRESHOLD option must have been specified.

    正确答案:B

  • 第22题：

    单选题
    John, how lazy you are! This work ______ three days ago.
    A

    should have done

    B

    must have been done

    C

    should have been done

    D

    might have done


    正确答案： B
    解析：
    句意：这份工作本该三天前完成的。should have done表示应该做而没有做，含有责怪之意。must have done意为“一定做了”，表示肯定的推测。

  • 第23题：

    单选题
    While designing your database， you have created the EMPLOYEES table as an index/x7forganized table （IOT）. You want to create a bitmap index on the JOB_ID column to make queries faster. Which task must have been completed so that you are able to create the bitmap index？（）
    A

    A primary key must have been created.

    B

    A mapping table must have been created.

    C

    An overflow tablespace must have been specified.

    D

    The PCTTHRESHOLD option must have been specified.


    正确答案： B
    解析： 暂无解析

  • 第24题：

    单选题
    You （）him so closely; you should have kept your distance．
    A

    shouldn’tfollow

    B

    mustn’tfollow

    C

    couldn’t have been following

    D

    shouldn’t have been following


    正确答案： B
    解析： 暂无解析

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