There is no one true way that bank accounts work. I work for a big bank and I've come to accept that there are valid cases for UPDATING and even DELETING transa

There is no one true way that bank accounts work. I work for a big bank and I've come to accept that there are valid cases for UPDATING and even DELETING transactions in your Core Banking system. It is true that your general ledger is append-only, but that doesn't apply to what happens before you close your books.