Câu 50: A00-212: SAS Advanced Programming for SAS 9

Which SQL procedure program deletes rows from the data set CLASS?

1. A. proc sql; Select * from class Where age<(select stop_age from threshold); Quit;
2. B. proc sql; Modify table class Delete where age<(select stop_age from threshold); Quit
3. C. proc sql; Delete from class Where age<(select stop_age from threshold); Quit; — đáp án hiện tại
4. D. proc sql; Alter from class Delete where age<(select stop_age from threshold);