IBM Exam Questions

Which two statements are correct when referring to an Aggregator Stage?

Which two statements are correct when referring to an Aggregator Stage? (Choose two.)

A.
Use Sort method for a limited number of distinct key values

B.
Use Hash method for a limited number of distinct key values

C.
Use Sort method with a large number of distinct key-column values

D.
Use Hash method with a large number ofdistinct key-column values

Explanation: