On Tue, Jul 10, 2018 at 6:55 PM, Yang Jie <yon...@163.com> wrote: > Simple queries are fine, but pageinspect can query previous data. If you > return the same result as a simple query, this is similar to the oracle > flashback version query.
Please don't top-post. That may be true in some limited sense, but querying old data like that seems totally impractical. You might do something like that for forensic purposes, as a once off thing, but you didn't say anything about your high level goals here. -- Peter Geoghegan
