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You have created a data table 'work.sales_data' using SAS procedures and want to use the 'table.save' method to store this data table permanently in the 'mydata' library. Which of the following code snippets correctly accomplishes this task, assuming that the 'mydata' library has already been assigned?

A SAS programmer wants to delete certain observations from a data set 'sales' where the 'product_code' is '1234'. The data set is indexed by 'product_code'. Which combination of statements is the most efficient way to accomplish this task?

When defining a variable in a CAS table using PROC CAS, which of the following data types requires specifying the maximum length attribute?

As a data analyst, you are tasked with utilizing multiple CAS sessions in your SAS Viya program to segregate various data management tasks. Given that you need to switch between these CAS sessions within the same program, how would you specify a particular session for the DATA step to run in?

You have loaded a data set into a CAS session and need to perform a simple aggregation that summarizes total sales by region. Which of the following CAS actions allows you to do this most efficiently?