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单选题Which of the following strings can be inserted into an XML column using XMLPARSE?（）A <employee/>B <?xml version='1.0' encoding='UTF-8' ?>C <!DOCTYPE hello SYSTEM 'hello_world.dtd'>D <x xmlns:ibmcert='http://www.ibm.com/certify'>

题目
单选题
Which of the following strings can be inserted into an XML column using XMLPARSE?（）
A

<employee/>

B

<?xml version='1.0' encoding='UTF-8' ?>

C

<!DOCTYPE hello SYSTEM 'hello_world.dtd'>

D

<x xmlns:ibmcert='http://www.ibm.com/certify'>

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相似问题和答案

第1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


参考答案：C

第2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.

正确答案:C

第3题：

Which of the following methods can move files in clear text and can be easily intercepted?()

A.RSH

B.SNMP

C.FTP

D.TELNET


参考答案：C

第4题：

Which of the following protocols can be found at the application layer?（）

  • A、Telnet
  • B、TCP
  • C、SNMP
  • D、UDP

正确答案:A

第5题：

Which of the following strings can be inserted into an XML column using XMLPARSE?（）

  • A、"<employee/>"
  • B、"<?xml version='1.0' encoding='UTF-8' ?>"
  • C、"<!DOCTYPE hello SYSTEM 'hello_world.dtd'>"
  • D、"<x xmlns:ibmcert='http://www.ibm.com/certify'>"

正确答案:A

第6题：

Which of the following can be used to ensure that once a row has been inserted in table TABLEX, the column MAINID in that row cannot be updated?()

A.Define the column MAINID as NOT UPDATABLE

B.Define the column MAINID as a PRIMARY KEY

C.Define the column MAINID as a FOREIGN KEY

D.Define an UPDATE trigger on table TABLEX


参考答案：D

第7题：

lisa is writing a formula to determine the number of elements in a list. she wants to ensure that a value is returned, even if the value her function is evaluating turns out to be a null string . which one of the following can she so to accomplish this ?（）

  • A、use a defaule formula of 1 
  • B、use @elements and add 1 to the total 
  • C、use the @count function instead of @elements 
  • D、use @texttotime to ensure that all strings arte converted to date-time values 

正确答案:C

第8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.


参考答案：C

第9题：

Given the following class， which statements can be inserted at position 1 without causing the code to fail compilation？（）   public class Q6db8 {   int a；   int b = 0；   static int c；   public void m（） {   int d；   int e = 0；   // Position 1   }   } 

  • A、a++；
  • B、b++；
  • C、c++；
  • D、d++；
  • E、e++；

正确答案:A,B,C,E

第10题：

Which of the following methods can move files in clear text and can be easily intercepted?（）

  • A、RSH
  • B、SNMP
  • C、FTP
  • D、TELNET

正确答案:C

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