跟crakman做sas base认证试题（66）

shiyiming

From crackman's blog on Baidu


               
                <p><font size="4" face="宋体">68.The following SAS program is submitted:<br>
<br>
  data WORK.ACCOUNTING;<br>
&nbsp;&nbsp;&nbsp;&nbsp;  set WORK.DEPARTMENT;<br>
&nbsp;&nbsp;&nbsp;&nbsp;  length EmpId $6;<br>
&nbsp;&nbsp;&nbsp;&nbsp;  CharEmpid=EmpId;<br>
  run;<br>
<br>
If data set WORK.DEPARTMENT has a numeric variable EmpId,which statement is true about the output dataset?</font></p>
<p><font size="4" face="宋体">&nbsp;&nbsp;&nbsp;&nbsp;  A. The type of the variable CharEmpid is numeric.<br>
&nbsp;&nbsp;&nbsp;&nbsp;  B. The type of the variable CharEmpid is unknown.<br>
&nbsp;&nbsp;&nbsp;&nbsp;  C. The type of the variable CharEmpid is character.<br>
&nbsp;&nbsp;&nbsp;&nbsp;  D. The program fails to execute due to errors. </font></p>
<p><font size="4" face="宋体">Answer: D  </font></p>
<p><br>
<font size="4" face="宋体">这里主要是LENGTH定义数据的格式与WORK.DEPARTMENT中的数据格式存在冲突。</font></p>
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