試験A00-212J トピック2 問題151 スレッド

A. data three;
set one;
set two;
by num;
run;
merge one two;
by num;
run;

B. data three;
merge one two;
by num;
run;

C. data three;
set one;
do i = 1 to numobs;
set two(rename = (num = num2)) point = i
nobs = numobs;
if num2 = num then output;
end;
drop num2;
run;

D. data three;
set one;
set two;
by num;
run;
by num;
run;