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单选题
Which of the following describes how DB2 9 stores an XML document if the XML Extender is not used?（）
A
CLOB
B
BLOB
C
Hierarchically
D
Rows and columns
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单选题Which of the following describes the objects of a DB2 database and their relationships?（）A
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单选题Which of the following best describes how locks are used in DB2?（）A
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单选题Which of the following describes how DB2 9 stores an XML document if the XML Extender is not used?（）A
CLOBB
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Rows and columns
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Load the XML data by using an instance of the XmlDocument class and specify a location for the application schema.B
Configure the ValidationEventHandler in the XmlReaderSettings of the XmlReader object.C
Read the XML file into a DataSet object and set the EnforceConstraints property to True.D
Read the XML file into a DataSet object. Handle the DataSet.MergeFailed event to parse the data that does not conform to the XML schema.
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单选题Which of the following describes the model used by the Geodetic Extender?（）A
Flat earthB
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Document doc=DocumentBuilderFactory.parse（“my.xml”）；B
Document doc=DocumentBuilder.parse（“my.xml”）；C
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A primary XML index should be created on the XML column.B
Statistics should be created on the nvarchar columns.C
A view should be created， and only the four columns that the query utilizes are contained by a view.D
A composite index should be created on the three nvarchar columns， and INCLUDE should be specified for the XML column.
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单选题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.
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单选题Consider the following: Which statement best describes the meaning of the value for the key_len column?（）A
It shows the total size of the index rowB
It shows how many columns in the index are examinedC
It shows the number of characters indexed in the keyD
It shows how many bytes will be used from each index row
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