Which of the following techniques can you use to improve the performance of calculation views? Note: There are 2 correct answers to this question.

Which of the following techniques can you use to improve the performance of calculation views? Note: There are 2 correct answers to this question.
A . Avoid aggregating data early in the data flow.
B . Partition large tables.
C . Limit the number of stacked calculation views.
D . Implement union pruning.

Answer: B,C