Which of the following is a consideration when you are working with a Lookup stage?

Select one:

A. Memory: All reference data is stored in memory in an indexed structure

B. Partitioning: Data in the Lookup table needs to be in a different partition from the data referencing it

C. Sorted data: The data in the Input link and reference link must be sorted

D. Column names: The lookup key columns must have the same names in the primary and