Select the best answer for each
question. After completing the quiz, check your answers using the
answer key in the appendix.
Which is true for the double
trailing at sign (@@)?
It enables the next INPUT
statement to read from the current record across multiple
iterations of the DATA step.
It must be the last item
specified in the INPUT statement.
It is released when the input
pointer moves past the end of the record.
A record that is being held by a
single trailing at sign (@) is automatically released when
the input pointer moves past the
end of the record.
the next iteration of the DATA
another INPUT statement that has
an @ executes.