Question 1

A database administrator is tasked with removing an obsolete table named "sales_data" from the SAS Viya environment to free up storage space. The administrator needs to ensure that the operation is irreversible and that the table is permanently deleted. Which of the following SQL statements should the administrator use?

Options :

A : PROC SQL; DROP TABLE sales_data; QUIT;

B : PROC SQL; DELETE TABLE sales_data; QUIT;

C : PROC SQL; DROPTABLE sales_data; QUIT;

D : PROC SQL; REMOVE TABLE sales_data; QUIT;

Answer: A

Question 2

A data analyst is preparing a report using PROC REPORT in SAS Viya. The analyst needs to display customer details from the 'customers' table but wants only the 'CustomerID', 'FirstName', 'LastName', and 'Email' columns to be included in the report. Which TABLE statement below would correctly produce this output?

Options :

A : TABLE customers(CustomerID, FirstName, LastName, Email);

B : TABLE customers ALL COLUMNS;

C : TABLE customers(SELECT CustomerID, FirstName, LastName, Email FROM customers);

D : TABLE customers VAR CustomerID FirstName LastName Email;

Answer: A

Question 3

You are analyzing a dataset 'customer_data' using SAS Viya, where you have a categorical variable 'purchase_category' that represents the category of items each customer has purchased. You want to determine the distribution of customers across different purchase categories using the freq action in SAS Viya. Which of the following code snippets correctly achieves this?

Options :

A : proc freq data=customer_data; tables purchase_category; run;

B : proc means data=customer_data; class purchase_category; run;

C : proc cas; freq / table=customer_data var="purchase_category"; run;

D : data customer_data; set freq; by purchase_category; run;

Answer: C

Question 4

In a SAS Viya program, if a variable `x` has been declared as INT32 and is assigned a value based on user input, which of the following error checks is crucial before performing arithmetic operations to avoid runtime errors?

Options :

A : Checking whether the value is a multiple of 10.

B : Checking that the value does not exceed the boundaries of INT32 (-2,147,483,648 to 2,147,483,647).

C : Ensuring that the variable is not null.

D : Verifying that the variable is positive.

Answer: B

Question 5

A SAS programmer wants to use the SESSREF= option in a DATA step to access an in-memory table within a CAS (Cloud Analytic Services) session that is already loaded with datasets. They define the DATA step as follows:Which of the following is true regarding the DATA step above?

Options :

A : The DATA step will fail because the SESSREF= option should not be used in this context.

B : The DATA step will execute successfully, and work.queryResult will contain the filtered data from the CAS session.

C : The SESSREF= option is incorrectly formatted; it should be defined within the SET statement.

D : The SESSREF= option is not required as the libref 'mycas' is already used in the SET statement.

Answer: D

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