Câu 33: A00-211: SAS Base Programming for SAS 9

The SAS data sets WORK. EMPLOYEE and WORK. SALARY are shown below:WORK. EMPLOYEE WORK. SALARY -fname age name salaryBruce 30 Bruce 25000 -Dan 40 Bruce 35000 -Dan 25000 -The following SAS program is submitted:data work.empdata;by fname;totsal + salary;run;Which one of the following statements completes the merge of the two data sets by the FNAME variable?

1. A. merge work.employee work.salary (fname = name);
2. B. merge work.employee work.salary (name = fname);
3. C. merge work.employee work.salary (rename = (fname = name));
4. D. merge work.employee — đáp án hiện tại