A multimedia structure in which users may navigate freely, but are occasionally constrained to linear presentations, could be called ____________________.

The following statement displays all the rows in the departments table: SELECT ____ FROM departments;

A) * B) # C) % D) ALL

What is the primary use for the rare command?

A. To sort field values in descending order. B. To return only fields containing five of fewer values. C. To find the least common values of a field in a dataset. D. To find the fields with the fewest number of values across a dataset.