The following SAS code is submitted:
%macro houses(dsn = houses,sub = RANCH);
data &dsn;
set sasuser.houses;
if style = "&sub";
run;
%mend;
%houses(sub = SPLIT)
%houses(dsn = ranch)
%houses(sub = TWOSTORY)
Which one of the following is the value of the automatic macro variable
SYSLAST?
A. WORK.HOUSES
B. work.ranch
C. WORK.RANCH
D. work.houses
Answer: A
求解释，为什么啊？多谢大家乐
c*****e 发帖数: 37
2
&SYSLAST always stores data set name in capital letters.
