You have been recently hired as a database administrator. Your senior manager asks you to study the production database server and submit a report on the settings done by the previous DBA.  While observing the server settings， you find that the following

题目

You have been recently hired as a database administrator. Your senior manager asks you to study the production database server and submit a report on the settings done by the previous DBA.  While observing the server settings， you find that the following parameter has been set in the parameter file of the database：  REMOTE_OS_AUTHENT = TRUE  What could have been the reason to set this parameter as TRUE？（）

  • A、to enable operating system authentication for a remote client
  • B、to restrict the scope of administration to identical operating systems
  • C、to allow the start up and shut down of the database from a remote client
  • D、to enable the administration of the operating system from a remote client
  • E、to disable the administration of the operating system from a remote client
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.If you had been with us , you ____our excitement.A. have understoodB. understoodC. will understandD. would have understood

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

4.If you()in taking exercise, you're more likely to have a long and energetic life.A、insistB、persist

更多“You have been re”相关问题

  • 第1题：

    They're very angry. They ____to see you for the last two or three hours.

    A.are managing

    B.will promise

    C.had made up their minds

    D.have been trying


    正确答案：D

  • 第2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3题：

    —We’re going on a visit to Japan next week. —________________.

    A.Have a good journey

    B.Good bye

    C.Wish you happy

    D.You’re right.


    参考答案：A

  • 第4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5题：

    Tom, you’re too lazy! The work _____ have been finished yesterday.

    A would

    B should

    C must

    D could


    参考答案：B

  • 第6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7题：

    When you're _t_________ ,you should have some water．


    正确答案：
    32. thirsty

  • 第8题：

    Have you been taking much（）?

    Adrug

    Bpill

    Ctablet

    Dmedicine


    D
    略

  • 第9题：

    The work（）by the time you get there.

    Awill have been done

    Bwas done

    Chad been done

    Dhas done


    A
    略

  • 第10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11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：

    Where ________ you ________?

    A.are/be

    B.have/be

    C.is/be

    D.have/been


    正确答案：D

  • 第14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15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16题：

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


    参考答案： 正确

  • 第17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18题：

    Have you ever been employed?


    正确答案：
          

  • 第19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20题：

    You look（） What（）you（）?

    Atire；did；do

    Btiring；have；done

    Ctired；do；do

    Dtired；have；been doing


    D
    略

  • 第21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22题：

    单选题
    —Thank you, sir._______.　　—You’re welcome, Miss.
    A

    Bless you for your kindness

    B

    I’ll be back in a moment

    C

    And you needn’t have done so

    D

    Let me have a look at the menu


    正确答案： A
    解析：
    句意：——谢谢您，先生。上帝因你的慷慨保佑你。——不用谢，女士。对别热的帮助表示感谢的同时也可以祝福别人，常用（God）Bless you。故答案是A项。

  • 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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