TIP: Did you know that the Import Mode in UCM List Import does not influence the base table records?
Did you know that the Import Mode in UCM List Import does not influence the base table records? UCM List Import mode controls how records are created in the SDH tables. UCM Batch Manager then processes the SDH records and inserts/updates base table records depending if the records match or not.
-> For more information see Note 1599136.1: Questions and Answers on UCM List Import