参考答案和解析
正确答案:√
更多“The name of Knickerbocker comes from Washington Irving's History of New York (1809).() ”相关问题
  • 第1题:

    YouhaveaWindowsPowerShellscriptthatcontainsthefollowingcode:import-csvAccounts.csv|Foreach{New-ADUser-Name$_.Name-Enabled$true-AccountPassword$_.password}Whenyourunthescript,youreceiveanerrormessageindicatingthattheformatofthepasswordisincorrect.Thescriptfails.Youneedtorunascriptthatsuccessfullycreatestheuseraccountsbyusingthepasswordcontainedinaccounts.csv.Whichscriptshouldyourun()

    A.import-csvAccounts.csv Foreach{New-ADUser-Name$_.Name-Enabled$true-AccountPassword(ConvertHost-

    B.import-csvAccounts.csv Foreach{New-ADUser-Name$_.Name-Enabled$true-AccountPassword(ConvertTo-

    C.import-csvAccounts.csv Foreach{New-ADUser-Name$_.Name-Enabled$true-AccountPassword(Read-To

    D.import-csvAccounts.csv Foreach{New-ADUser-Name$_.Name-Enabled$true-AccountPassword(Read-Host


    参考答案:B

  • 第2题:

    YoucreatedtheORDERStableinyourdatabaseby&e

    YoucreatedtheORDERStableinyourdatabasebyusingthefollowingcode:

    SQL>CREATETABLEORDERS(ORDER_DATETIMESTAMP(0)WITHTIMEZONE);

    Then,youinserteddataintheORDERStableandsaveditbyissuingthefollowingstatements:SQL>INSERTINTOORDERSVALUES(’18-AUG-0010:26:44PMAmerica/New_York’);

    SQL>INSERTINTOORDERSVALUES(’23-AUG-0212:46:34PMAmerica/New_York’);

    SQL>COMMIT;

    Next,youissuedthefollowingstatementtochangethetimezoneforthedatabase:

    SQL>ALTERDATABASESETTIME_ZONE=’Europe/London’;

    Whatwillbetheresultofexecutingtheabovestatement?()


    参考答案:A

  • 第3题:

    2、如何为结构体类型定义一个新的名称? struct type_name{ code_block; };

    A.typedef struct type_name new_name{ code_block; };

    B.typedef struct type_name{ code_block; }new_type_name;

    C.typedef struct new_name type_name{ code_block; };

    D.struct type_name{ code_block; }typedef new_name;


    struct

  • 第4题:

    Youwanttopurgejobentriesolderthan5daysfromthejoblog.Youdonotwanttopurgewindowlogentries.Whichcommandwillyouusetoaccomplishthistask?()

    A.EXECUTEDBMS_SCHEDULER.PURGE_LOG(log_history=>5,job_name=>’JOB1’);

    B.EXECUTEDBMS_SCHEDULER.PURGE_LOG(log_history=>5,job_name=>’JOB_LOG’);

    C.EXECUTEDBMS_SCHEDULER.PURGE_LOG(log_history=>5,which_log=>’JOB1’);

    D.EXECUTEDBMS_SCHEDULER.PURGE_LOG(log_history=>5,which_log=>’JOB_LOG’);


    参考答案:D

  • 第5题:

    对于基本表S(S#,NAME,SEX,BIRTHDAY)和SC(S#,C#,ORADE),其中S#、NAME、 SEX、BIRTHDAY、C#和GRADE分别表示学号、姓名、性别、生日、课程号和年级。有一 SQL语句:

    SELECT S#,NAME

    FROM S

    WHERE S# NOTIN

    (SELECT S#

    FROM SC

    WHERE C#='C102');

    其等价的关系表达式是______。

    A.πS#.NAME(σC#≠'C102'(SSC) )

    B. πS#.NAME(S)-πS#.NAME(σC#='C102'(SSC) )

    C.πS#.NAME(SσC#≠'C102'(SC) )

    D.πS#.NAME(S(SC) )


    正确答案:B

  • 第6题:

    用vi打开一个文件,如何用字母”new”来代替文件中所有的字母”old”

    A.:r/old/new

    B.:s/old/new

    C.:1,$s/old/new/g

    D.:%s/old/new/g


    B