s*****z
发帖数: 202 | 1 下周就考，还有以下三个问题不明白
第一道是
62. The following SAS program is submitted:
data work.company;
set work.dept1(keep = jobcode)
work.dept2(rename = (jcode = jobcode));
run;
Which one of the following is the result?
A. The variable JCODE is written to the output data set.
B. The variable JOBCODE is written to the output data set.
C. Neither variable JCODE nor JOBCODE is written to the output data set.
D. The program fails to execute due to errors.
Answer: B
不明白为什么jcode没有写入output data set.
第二道题是
89. The value | A*********u
发帖数: 8976 | 2 1 jcode was renamed
2 $,.都要算
3 level = 2 or 3
等价于
(levle = 2) or 3
since 3 is forever true, level = 2 or 3 is forever true
should be
level = 2 or level =3
or
level in (2,3)
下周就考，还有以下三个问题不明白
第一道是
62. The following SAS program is submitted:
data work.company;
set work.dept1(keep = jobcode)
work.dept2(rename = (jcode = jobcode));
run;
Which one of the following is the result?
A. The variable JCODE is written to the output data set.
B. The variable JOBCODE is written to the output data set.
C. Neit
【在 s*****z 的大作中提到】
: 下周就考，还有以下三个问题不明白
: 第一道是
: 62. The following SAS program is submitted:
: data work.company;
: set work.dept1(keep = jobcode)
: work.dept2(rename = (jcode = jobcode));
: run;
: Which one of the following is the result?
: A. The variable JCODE is written to the output data set.
: B. The variable JOBCODE is written to the output data set.
| s*****z
发帖数: 202 | 3 that is tricky, Thanks a million!!
【在 A*********u 的大作中提到】
: 1 jcode was renamed
: 2 $,.都要算
: 3 level = 2 or 3
: 等价于
: (levle = 2) or 3
: since 3 is forever true, level = 2 or 3 is forever true
: should be
: level = 2 or level =3
: or
: level in (2,3)
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