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SAS Advanced Programming Exam for SAS 9 Questions 16–20 (page: 5)

The following SAS program is submitted:

%let first=yourname;
%let last=first;
%put &&&last;

What is written to the SAS Log?

The following SAS program is submitted:

%let a=cat;
%macro animal(a=frog);
%let a=bird;
%mend;
%animal(a=pig)
%put a is &a;

What is written to the SAS log?

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

The following SAS program is submitted:

%let lib=%upcase(sauser); proc sql;
select nvar form dictionary.tables where libname='&lib"; quit;
Several SAS data sets exist in the SAUSER library.

What is generated as output?

The following SAS program is submitted:

%macro loop;
data one;
%do I=1 %to 3;
var&I=&I;%
end
run;
%mend;
%loop

After this program executes; the following is written to the SAS log:
(LOOP): Beginning execution
(LOOP): %DO loop beginning; index variable l; start value is 1; stop value is 3; by value is 1
(LOOP): %DO loop index variable l is now 2; loop will iterate again
(LOOP): %DO loop index variable l is no 3; loop will iterate again
(LOOP): %DO loop index variable l is no 4; loop will iterate again
(LOOP): Ending execution

Which SAS system option displays the notes in the SAS log?