Which ABAP data dictionary definations are available when you use R3LDCTL. to generate structure file for heterogeneous and homogeneous system copies? Please choose the correct answer.

Which ABAP data dictionary definations are available when you use R3LDCTL. to generate structure file for heterogeneous and homogeneous system copies? Please choose the correct answer.
A . Partition fields
B. View fields
C. Compression fields
D. Primary key fields

Answer: B,D