Câu 34: A00-212: SAS Advanced Programming for SAS 9

The following SAS program is submitted:Data sasuser.history;Set sasuser.history(keep=state x yRename = (state=ST));Total=sum(x, y);Run;The SAS data set SASUSER. HISTORY has an index on the variable STATE. Which describes the result of submitting the SAS program?

1. A. The index on STATE is deleted and an index on ST is created
2. B. The index on STATE is recreated as an index on ST
3. C. The index on STATE is deleted — đáp án hiện tại
4. D. The index on STATE is updated as an index on ST