Câu 68: A00-211: SAS Base Programming for SAS 9

Which program displays a listing of all data sets in the SASUSER library?

1. A. proc contents lib = sasuser.all; run;
2. B. proc contents data = sasuser.all; run;
3. C. proc contents lib = sasuser._alI_; run;
4. D. proc contents data = sasuser._all_; run; — đáp án hiện tại