单选题什么是SQL/XML？（）ASQL/XML是DB2数据库的通信协议BSQL/XML是XQuery标准的一部分，提供各种发布函数以将XML数据转换成为关系表单，反之亦然CSQL/XML是pureXML技术的另一种叫法DSQL/XML是对SQL标准的扩展，提供各种发布函数以将XML数据转换成为关系表单，反之亦然
单选题
什么是SQL/XML？（）
A
SQL/XML是DB2数据库的通信协议
B
SQL/XML是XQuery标准的一部分，提供各种发布函数以将XML数据转换成为关系表单，反之亦然
C
SQL/XML是pureXML技术的另一种叫法
D
SQL/XML是对SQL标准的扩展，提供各种发布函数以将XML数据转换成为关系表单，反之亦然
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相关考题：
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.
什么是SQL/XML？（）A、SQL/XML是DB2数据库的通信协议B、SQL/XML是XQuery标准的一部分，提供各种发布函数以将XML数据转换成为关系表单，反之亦然C、SQL/XML是pureXML技术的另一种叫法D、SQL/XML是对SQL标准的扩展，提供各种发布函数以将XML数据转换成为关系表单，反之亦然
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.
XML是英文eXtended Markup Language的缩写，称之为（）。研究纯XML数据库，称作（）（Native XML DBMS。依托于关系数据库来实现XML数据库的功能，称作（）（XML-Enabled DBMS）。类似SQL Server这样的数据库管理系统目前均支持（）及其相关的操作。更重要的是在SQL的新标准中（SQL2003）也增加了有关XML的描述，也就是说支持（）已经成为关系数据库的标准。
单选题Which of the following is NOT true about XML columns?（）AData can be retrieved by SQL.BData can be retrieved by XQuery.CXML columns must be altered to accommodate additional parent and child relationships.DAccess to any portion of an XML document can be direct, without reading the whole document.
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填空题XML是英文eXtended Markup Language的缩写，称之为（）。研究纯XML数据库，称作（）（Native XML DBMS。依托于关系数据库来实现XML数据库的功能，称作（）（XML-Enabled DBMS）。类似SQL Server这样的数据库管理系统目前均支持（）及其相关的操作。更重要的是在SQL的新标准中（SQL2003）也增加了有关XML的描述，也就是说支持（）已经成为关系数据库的标准。
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问答题什么是XML？