A. You can control the removal and/or creation of indexes and constraints in the target table for all Load
Styles.

B. If using the Append to Existing load style, indexes and constraints can be added but not removed.

C. For the Update/Insert load style it is possible to remove indexes not required for the Update/Insert
processing, but no indexes can be added.

D. You can control the removal and/or creation of indexes and constraints in the target table only if you
are using a Load style other than Replace.