Update Date Track Modes
CORRECTION : Over writes the data. No history will maintain.
UPDATE : Keeps the history and new change will effect as of effective date
UPDATE_CHANGE_INSERT : Inserts the record and preserves the future
UPDATE_OVERRIDE : Inserts the record and overrides the future
Delete Date Track Modes
ZAP : wipes all records
DELETE : Deletes current record
FUTURE_CHANGE : Deletes current and future changes.
DELETE_NEXT_CHANGE : Deletes next change