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标题: 跟crakman做sas base认证试题（33） [打印本页]

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作者: shiyiming    时间: 2010-11-12 11:24
标题: 跟crakman做sas base认证试题（33）
From crackman's blog on Baidu


               
                <p><font size="4">33.The following SAS program is submitted:<br>
<br>
  data WORK.TEST;<br>
&nbsp;&nbsp;&nbsp;&nbsp;  set WORK.PILOTS;<br>
&nbsp;&nbsp;&nbsp;&nbsp;  if Jobcode='Pilot2' then Description='Senior Pilot';<br>
&nbsp;&nbsp;&nbsp;&nbsp;  else Description='Unknown';<br>
  run;<br>
<br>
The value for the variable Jobcode is: PILOT2.What is the value of the variable Description?<br>
&nbsp;&nbsp;&nbsp;&nbsp;  A. PILOT2<br>
&nbsp;&nbsp;&nbsp;&nbsp;  B. Unknown<br>
&nbsp;&nbsp;&nbsp;&nbsp;  C. Senior Pilot<br>
&nbsp;&nbsp;&nbsp;&nbsp;  D. ' '  (missing character value)<br>
<br>
Answer: B</font></p>
<p><font size="4">这道题考察的是IF语句判断字符时注意大小写的问题。<br>
在字符变量中，大小写的Pilot2 和PILOT2是不一样的，所以答案就是B。</font></p> <a href="http://hi.baidu.com/crack%5Fman/blog/item/fddd24f1629bc935bd31090a.html">阅读全文</a>
               
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