You have been tasked with designing a Mapping that must perform an initial load and incremental updates using the same transformation logic. How should you proceed? (Choose the best answer.)
A. Create a single Mapping with two Physical Designs: one for the initial load and one for the incremental updates.
B. Create a single Mapping with a single Physical Design and modify it appropriately when an initial load is required or when an incremental update is required.
C. Create two Mappings: one for the initial load and one for the incremental updates. Duplicate the transformation logic.
D. Create a single Mapping and use variables in the Logical Design to do an initial load when required or an incremental update otherwise.
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