Usually, the static QR codes would be fixed. The data would be stored directly in the QR code graphic. It would not be wrong to suggest that the QR codes would also be getting larger and would form a highly complex pattern provided there have been a significant data to store.
It would be pertinent to mention here that the stored data would not be changed. It would be pertinent to mention here that any kind of typo in the already printed QR code would not be changed along with other printed material. However, with https://www.oysso.com/, you would be able to change the dynamic codes.