<p><font size="4">33.The following SAS program is submitted:<br>
<br>
data WORK.TEST;<br>
set WORK.PILOTS;<br>
if Jobcode='Pilot2' then Description='Senior Pilot';<br>
else Description='Unknown';<br>
run;<br>
<br>
The value for the variable Jobcode is: PILOT2.What is the value of the variable Description?<br>
A. PILOT2<br>
B. Unknown<br>
C. Senior Pilot<br>
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>