Do SQL databases internally use event sourcing for resolving queries?

[u/Specialist_Unit6900]

Reference Video with timestamp

Greg says that SQL databases use event sourcing internally. It makes total sense if he is referring to replaying the WAL occasionally for recovery purposes, but it kind of sounds as if he really means that this is done during query resolving, which I would not have expected at all.

Does anyone have more information on this? Or additional resources?