Prefer INSERT INTO TABLE over APPEND
prefer_insert_into_table
Description
Prefer INSERT INTO TABLE over APPEND
Extended Information
INSERT INTO TABLE respects the table type, while APPEND always tries to add to the end. This will dump if the sort order of a sorted table would change.
https://github.com/SAP/styleguides/blob/main/clean-abap/CleanABAP.md#prefer-insert-into-table-to-append-to