On Tue, Jul 10, 2018 at 6:55 PM, Yang Jie <yonj1e(at)163(dot)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