I tried exp utility to dump all database. Looks like this exports only the last version of data skipping undo log. Using flashback queries I see: 01466. 00000 - "unable to read data - table ...
I'm very new to Flashback technology, I found on this website that, there are 3 types of flashback Row Level Table Level Database Level But, I don't know, how to enable them and use them. Please ...