DATA step performance in CAS is most affected:

exams A00-415 A00-415 exam 0 Comments

DATA step performance in CAS is most affected:
A . when the NOTSORTED option is used in the BY statement.
B . when the DESCENDING option is used in the BY statement.
C . by the cardinality of the first variable listed in the BY statement.
D . when data is not sorted prior to using a BY statement.

Answer: C