So what if you upgrade your data structure, add a new required column and a record is inserted. You then roll back, removing the column, in order to fix a bug. When you roll forward again, is that removed/readded column's data for the inserted record still there?
So what if you upgrade your data structure, add a new required column and a record is inserted. You then roll back, removing the column, in order to fix a bug. When you roll forward again, is that removed/readded column's data for the inserted record still there?