66.The following SAS program is submitted:
data WORK.SALES;
do Year=1 to 5;
do Month=1 to 12;
X + 1;
end;
end;
run;
How many observations are written to the WORK.SALES data set?
A. 0
B. 1
C. 5
D. 60
Answer: B
这个为什么就一个!好像是不是缺少了output ,如果加output 是不是就60个!但为什么呢?




雷达卡





京公网安备 11010802022788号







