What is the recommended way to avoid locking issues during import?

A customer is facing locking issued when importing large data volumes of order records that are children in a master-detail relationship with the Account object.

What is the recommended way to avoid locking issues during import?
A . Import Account records first followed by order records after sorting order by OrderI
C . Import Account records first followed by order records after sorting orders by AccountI
E . Change the relationship to Lookup and update the relationship to master-detail after import.
F . Import Order records and Account records separately and populate AccountID in orders using batch Apex.

View Answer

Answer: B