Which of the following is NOT true about XML columns?()A.Data can be retrieved by SQL.B.Data can be retrieved by XQuery.C.XML columns must be altered to accommodate additional parent and child relationships.D.Access to any portion of an XML document can b

题目
Which of the following is NOT true about XML columns?()

A.Data can be retrieved by SQL.

B.Data can be retrieved by XQuery.

C.XML columns must be altered to accommodate additional parent and child relationships.

D.Access to any portion of an XML document can be direct, without reading the whole document.

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更多“Which of the following is NOT true about XML columns?() ”相关问题

  • 第1题：

    你正在创建一个处理 XML 文档的 Web 应用。这个 Web 应用实现从不同的源接收 XML 文档,然后读取文档并把它存储到 SQL SERVER 数据库中。已知,Web 应用会分析所有传入的文件,看他们是否符合某个 XML 架构。为此,你需要找到 XML 文档中所有的验证错误,你应该怎么做?()

    A.使用XmlDocument对象读取XML数据，同时指定相应架构文件。

    B.为XmlReader对象的XmlReaderSettings设置ValidationEventHandler；

    C.使用DataSet对象读取XML文件，并且设置EnforceConstraints属性为True；

    D.使用DataSet对象读取XML文件，并且在DataSet.MergeFailed事件中分析数据看是否符合XML架构。


    参考答案：B

  • 第2题：

    sql server 2005中的nvarchar(MAX)和xml有什么区别

    通过：Connection.GetOleDbSchemaTable(System.Data.OleDb.OleDbSchemaGuid.Columns, new object[] { null, null, tableName, null });得到的两种数据类型的属性完全一致，有其它方法区分吗？


    char(max)在定义以后，系统就会给他分配很大的存储空间，必要的时候某一个盘的容量，不能被别的数据使用。而xml数据类型则是自动增长的，别的数据可以占有它未使用的空间。

    希望能帮到你，别忘了采纳我的答案哦，祝你生活愉快！


  • 第3题：

    9、ListView控件Columns属性的 方法动态添加列标头。


    Clear

  • 第4题：

    Evaluatethefollowingblockofcode：BEGINDBMS_NETWORK_ACL_ADMIN.CREATE_ACL（acl=>’mycompany-com-permissions.xml’，principal=>’ACCT_MGR’，is_grant=>TRUE，privilege=>’connect’）；DBMS_NETWORK_ACL_ADMIN.ASSIGN_ACL（acl=>’mycompany-com-permissions.xml’，host=>’*.mycompany.com’）；END；Whatistheoutcomeoftheabovecode？（）

    A.Itproducesanerrorbecauseafullyqualifiedhostnameneedstobespecified.

    B.Itproducesanerrorbecausetherangeofportsassociatedwiththehostshasnotbeenspecified.

    C.Itcreatesanaccesscontrollist（ACL）withtheuserACCT_MGRwhogetstheCONNECTand RESOLVEprivileges.

    D.Itcreatesanaccesscontrollist（ACL）withtheuserACCT_MGRwhogetstheCONNECT privilegebutnottheRESOLVEprivilege.


    参考答案：C

  • 第5题：

    In which of the following situations should correlation names be used?()

    A.A table referenced in the FROM clause has no indexed column.

    B.The table referenced in the FROM clause has more than 200 columns.

    C.Two or more tables in the FROM clause have identical column names.

    D.The FROM clause contains two or more tables in the SELECT statement.


    参考答案：C

  • 第6题：

    ListView控件Columns属性的 方法动态添加列标头。


    Clear

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