Assume you have before and after data sets and want to identify and process all of the changes between the
two
data sets. Assuming data is properly partitioned and sorted, which of the following should be used?

A.
Difference

B.
Change Apply

C.
Change Capture

D.
Change Capture and Change Apply

Explanation:
https://www- 01.ibm.com/support/knowledgecenter/SSZJPZ_11.3.0/com.ibm.swg.im.iis.ds.parjob.dev.doc/topic
s/c_deeref_Change_Capture_Stage.html