it's still mind boggling to me where and how the memories are classified and stored. What's the detail mechanism that our consciousness access to the different memory address?
Memories are stored in non-physical database(s) including the computer rendering this VR. However, the FWAU only takes the quality of the IUOC when it incarnates and not its memories nor does it necessarily operate from those databases. Instead, it operates locally, with memory storage and memory access mechanisms through the human avatar chemically storing and accessing things through the ruleset that defines the entire interaction for how much capacity for memory you have, how accurate you are able to recall that memory and how your memory may disappear/change when you get bonked on the head.
So in there, we can interpet physical mechanisms for memory storage/access but we are not going to ground the non-physical interactions of storing memory in a non-physical database to our sense of PMR "evidence".
I bet many of us have experienced the states that we are somewhere in between two realities, aware of things happening at both sides, yet, when we shifted back to current reality, memory of both reality fades away very quickly.
Personally, I don't see the logic that would necessitate this as a "database issue".
This extends beyond the initial assumption by MBT, if I'm not misunderstanding--Is this a simulation, a game, a self initiated super-consciousness or a school? Each answer can lead to different impact on our evaluation of our situation.
How about, all the above with more context and nuance? You seem to constantly re-iterate, "we don't have enough evidence" as the entirety of your feedback to MBT answers but then inject your own incomplete ideas into your incomplete interpretation of the MBT framework while not looking at how things may already be answered in the framework in a logically consistent and coherent way rather than postulating a mix of ideas from different theories that you seem to have even less cohesion on.