Which program correctly displays a list of qualified column names in the SAS log?

The correct answer showcases the use of the NOEXEC option in PROC SQL. When you include the NOEXEC option, SAS prepares the SQL statement for execution but does not actually execute it. Instead, it will generate a report in the SAS log that includes information about the query, including the qualified column names that are in the table acme.staff.

This is a powerful feature for examining the structure of your data without running the full query, which can be especially useful when working with large datasets or when you're only interested in the metadata associated with the data you are querying.

The other choices do not provide the same functionality. For example, using the DESCRIBE TABLE statement allows you to get details about the table structure, but it requires the table to be in the active library and formatted properly, thus it’s not the best choice for simply listing qualified column names. The LIST option does not exist as a valid option in PROC SQL syntax, and the FEEDBACK option generates feedback in the log about the processing but does not specifically list qualified column names.