Explain the purpose of retain statement.
Why double trailing @@ is used in input statement?
Explain the special input delimiters used in sas programming.
What are the ways in which macro variables can be created in sas programming?
Which command is used to perform sorting in sas program?
What are the data types that sas contain?
Explain the difference between nodup and nodupkey options?
Differentiate between sas functions and sas procedures.
Explain the difference between informat and format with an example.
Differentiate between proc means and proc summary.
Explain data_null_?
Enlist the functions performed by sas.
What is the purpose of _character_ and _numeric_?
Mention some common errors that are usually committed in sas programming.
What do you know about sas data set?