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标题: 跟crakman做sas base认证试题（63） [打印本页]

作者: shiyiming 时间: 2010-11-13 17:40
标题: 跟crakman做sas base认证试题（63）
From crackman's blog on Baidu

65.The following SAS program is submitted: 
 
 data WORK.ACCOUNTING; 
     set WORK.DEPARTMENT; 
     label Jobcode='Job Description'; 
 run; 
 
Which statement is true about the output dataset?
     A. The label of the variable Jobcode is Job (only the first word). 
     B. The label of the variable Jobcode is Job Desc (only the first 8 characters). 
     C. The label of the variable Jobcode is Job Description. 
     D. The program fails to execute due to errors. Labels must be defined in a PROC step.
Answer: C
考察的是LABEL语句的作用。 
LABEL的标签长度不是默认的8个字符，LABEL的长度可以达到 256 characters, including blanks。 
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