Data transformation includes __________.
A. a process to change data from a detailed level to a summary level.
B. a process to change data from a summary level to a detailed level.
C. joining data from one source into various sources of data.
D. separating data from one source into various sources of data.
Answer:A
Data transformation includes __________.
A. a process to change data from a detailed level to a summary level. B. a process to change data from a summary level to a detailed level. C. joining data from one source into various sources of data. D. separating data from one source into various sources of data.