Which is an ex

题目

Which is an example of a dynamic SELECT statement? ()

  • A、A query whose object names change during its execution. 
  • B、A query whose object names are not known until run time. 
  • C、A query whose bind variables values change during execution. 
  • D、A query whose bind variable values are not known until run time.
参考答案和解析
正确答案:B
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相似问题和答案

第1题:

Which two Junos platforms provide stateful firewall functionality?()

A. MX Series

B. EX Series

C. SRX Series

D. QFX Series


参考答案:A, C

第2题:

三元条件运算符exl ? ex2:ex3,相当于下面( )语句。

A.if (ex1) ex2;else ex3;

B.if (ex2) ex1;else ex3;

C.if (ex2) ex3;else ex2;

D.if (ex3) ex2;else ex1;


正确答案:A

第3题:

当()时,货币贬值使该国国际收支状况恶化。A:|ex+em|>1B:|ex+em|=1C:|ex+em|<1D:|ex+em|≤

当()时,货币贬值使该国国际收支状况恶化。

A:|ex+em|>1

B:|ex+em|=1

C:|ex+em|<1

D:|ex+em|≤1


答案:C

第4题:


A.2y
B.ex+2y
C.ex+y2
D.ex

答案:D
解析:

第5题:

若有如下定义,则对ex中的a成员的正确引用是( )。structsk{inta;floatb;}ex,*p=&ex;

A.(*p).ex.a

B.p->a

C.p->ex..a

D.p.ex.a


正确答案:B

第6题:

YouworkastheenterpriseexchangeadministratoratXxx.TheXxxnetworkconsistsofadomainnamedxxx.TheXxxnetworkhastwomailboxserversnamedXXX-EX01andXXX-EX02.XXX-EX01isrunningExchangeServer2007andXXX-EX02isrunningExchangeServer2010.WhatactionsmustyoutaketoshiftXXX-EX01’smailboxtoXXX-EX02?()

A.Youmustusethemsiexec.exefromXXX-EX01.

B.YoumustusetheNew-MoveRequestfromXXX-EX02.

C.YoumustusethewecutilqcfromXXX-EX02.

D.Youmustusethewuauclt.exe/detectnowfromXXX-EX02.


参考答案:B

第7题:

YouworkastheenterpriseexchangeadministratoratXxx.TheXxxnetworkconsistsofforestwithasite.TheXxxnetworkhastwoExchangeServer2010ClientAccessserversnamedXXX-EX14andXXX-EX15thathasIMAP4installed.RemoteusersfromtheinternetcurrentlymakeuseofIMAP4toconnecttoXXX-EX14andXXX-EX15.WhatactionsmustyoutaketoblockIMAP4accesstothemailboxesonXXX-EX15?()

A.YoumustimplementOutlookProtectionRules.

B.YoumustimplementTransportProtectionRules.

C.YoumustsetupaPublicFolderManagementConsole.

D.YoumustdeselecttheIMAP4mailboxfeatureinXXX-EX15.


参考答案:D

第8题:

三元条件运算符ex1?ex2:ex3,相当于下面的( )语句。

A.if(ex2) ex1; else ex3;

B.if(ex3) ex2; else ex1;

C.if(ex1) ex3; else ex2;

D.if(ex1) ex2; else ex3;


正确答案:D
解析:问号表达式的含义是先判断表达式ex1的值,如果该值为真,执行语句ex2,否则执行ex3,因此选择D。

第9题:

Which of the following shows the proper rhythmical节奏的 pattern of the sentence

A.It was 'too ex'pensive for me to 'buy.
B.It was 'too 'expensive for me to 'buy.
C.It was too ex'pensive for 'me to 'buy.
D.It 'was too 'expensive for me to 'buy.

答案:A
解析:
考查句子重读。一般来说,句子中的实词需要重读,比如名词、主要动词(不包括be动词)、形容词、副词、数词等。虚词多数情况下不重读,比如代词、介词、冠词、连词等。另外,句子中要重读的词若为双音节或多音节词,重音一般就落在该词的重读音节上,像本句中的expensive就是这种情况。

第10题:


A.ex+C
B.ex+2x+C
C.ex+x2+C
D.(ex+2)2+C

答案:B
解析:
由不定积分的基本公式及运算法则可得因此选B.

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