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SASInstitute SAS Viya Intermediate Programming Sample Questions:

1. What is the purpose of the GROUP BY clause in SQL programming?

A) To group rows based on common values
B) To sort the result set
C) To filter rows based on conditions
D) To define the output columns

2. Which CASL program will create the sample2 table in the casuser caslib?

A) proc cas;
datastep.runCode result=r/
code="
data casuser.sample2;
set casuser.class;
by age;
if first.age then y=age;
run;
";
quit;
B) proc cas;
datastep.runCode result=r/
code="
data casuser.sample1;
set casuser.class;
y=1;
run;
data casuser.sample2;
set casuser.class;
y=2;
run;
";
quit;
C) proc cas;
datastep.runCode result=r/
code="
data casuser.sample2;
set casuser.class(firstobs=3);
run;
";
quit;
D) proc cas;
datastep.runCode result=r/
code="
data casuser.sample2;
set casuser.class;
y=ranuni(123)*100;
run;
";
run;

3. Which CAS action is used to generate a random sample from a CAS table?

A) cas.fetch
B) cas.select
C) cas.random
D) cas.sample

4. What is the file extension used for SAS Viya programs?

A) sql
B) py
C) sas
D) viya

5. You want to generate totals and averages by year for a very large Teradata table using SAS Viya programming methods.
What is the most efficient way to achieve this?

A) Load the table into CAS memory and use a CAS procedure to summarize it.
B) Summarize the data using a SAS in-database procedure.
C) Create a SAS dataset copy of the table, load it into CAS memory and summarize with a CAS procedure.
D) Read the table directly with a SAS summary procedure that executes on the Compute Server.

Solutions: