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Which two statements are true when row archival management is enabled?()A. The ORA_ARCHIVE_STATE column visibility is controlled by the ROW ARCHIVAL VISIBILITY session parameter.B. The ORA_ARCHIVE_STATE column is updated manually or by a program that coul

题目
Which two statements are true when row archival management is enabled?()

A. The ORA_ARCHIVE_STATE column visibility is controlled by the ROW ARCHIVAL VISIBILITY session parameter.

B. The ORA_ARCHIVE_STATE column is updated manually or by a program that could reference activity tracking columns, to indicate that a row is no longer considered active.

C. The ROW ARCHIVAL VISIBILITY session parameter defaults to active rows only.

D. The ORA_ARCHIVE_STATE column is visible if referenced in the select list of a query.

E. The ORA_ARCHIVE_STATE column is updated automatically by the Oracle Server based on activity tracking columns, to Indicate that a row is no longer considered active.


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  • 第1题:

    YouareimplementinganASP.NETWebpage.Thepageincludesseveralcontrols,butonlyaGridViewrequiresviewstate.YousettheGridView…Youneedtoensurethatthepagewillomitunneededviewstate.Wich@Pagedirectiveshouldyouuse?()

    A.<%PageEnableViewState=”true”ViewStateMode=”Enabled”_%>

    B.<%PageEnableViewState=”true”ViewStateMode=”Disabled”_%>

    C.<%PageEnableViewState=”false”ViewStateMode=”Disabled”_%>

    D.<%PageEnableViewState=”false”ViewStateMode=”Enabled”_%>


    参考答案:B

  • 第2题:

    [A] who [B] when [C] where [D] which


    正确答案:C

  • 第3题:

    健康计划的总体目标中的三个"W"指

    A.who,what,when
    B.what,when,why
    C.who,what,which
    D.what,when,where
    E.when,where,which

    答案:A
    解析:
    总体目标的三个"W"分别指who-对象;what-实现什么变化;when-实现变化的期限。

  • 第4题:

    健康计划的总体目标中的三个"W"指

    A、who,what,when

    B、what,when,why

    C、who,what,which

    D、what,when,where

    E、when,where,which


    参考答案:A

  • 第5题:

    The beautiful mountain village__________ we spent our holiday last year is locatedin __________ is now part of Guangxi.

    A.which ; where
    B.where; what
    C.that ; what
    D.when ; which

    答案:B
    解析:
    where在此充当地点状语,what既充当located in的宾语又充当is的主语,本题考查定语从句和名词性从句。mountain village在定语从句we spent our holiday last year作地点状语,故用关系副词where:第二个考查宾语从句,从句中缺少主语,故用what作主语。故选B。

  • 第6题:

    计时器控件能正常工作应具备的两个条件是______。

    A.Enabled属性为True和Interval属性为0

    B.Enabled属性为False和Interval属性为0

    C.Enabled属性为True和Interval属性非0

    D.Enabled属性为False和Interval属性非0


    C