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Re: Local time in databases (Re: ntpsec as server questions)

From Nicholas Geovanis <nickgeovanis@gmail.com>
Newsgroups linux.debian.user
Subject Re: Local time in databases (Re: ntpsec as server questions)
Date 2023-12-08 05:20 +0100
Message-ID <HIAvf-c5CX-1@gated-at.bofh.it> (permalink)
References (3 earlier) <HIlwe-bWzV-1@gated-at.bofh.it> <HIny1-bXKB-1@gated-at.bofh.it> <HIoDL-bYrk-3@gated-at.bofh.it> <HIp6N-bYQF-5@gated-at.bofh.it> <HIyD7-c4qN-1@gated-at.bofh.it>
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On Thu, Dec 7, 2023, 8:11 PM Max Nikulin <manikulin@gmail.com> wrote:

> On 07/12/2023 23:08, tomas wrote:
> > On Thu, Dec 07, 2023 at 10:29:29PM +0700, Max Nikulin wrote:
> >> On 07/12/2023 21:22, John Hasler wrote:
> >>> Databases should never store local time.
> >>
> >> There are exceptions when storing UTC instead of local time leads to
> >> undesired consequences.
> >
> > Heh. There was one huge thread in Emacs user about a year ago (don't
> > ask me in which time zone).
>
> Perhaps you mean emacs-ormode.
>
....

> Leaving aside future timestamps that may need local time, significant
> fraction of timestamps may be reliably represented in UTC.
>
....

> As I said above I see nothing wrong in local time with explicit time
> offset. Mail has been using it for decades:
> > Date: Thu, 7 Dec 2023 17:08:50 +0100
>

All of these considerations are what brought Oracle to create a proprietary
"datetime" datatype and use it to store all "real" dates/times. If you need
a different format for display purposes or a human readable column, you can
extract it and do that. But the internal  representation will be driven by
other needs.
YMMV :-)

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Thread

ntpsec as server questions gene heskett <gheskett@shentel.net> - 2023-12-04 01:50 +0100
  Re: ntpsec as server questions jeremy ardley <jeremy.ardley@gmail.com> - 2023-12-04 02:00 +0100
    Re: ntpsec as server questions jeremy ardley <jeremy.ardley@gmail.com> - 2023-12-04 02:10 +0100
      Re: ntpsec as server questions gene heskett <gheskett@shentel.net> - 2023-12-04 10:00 +0100
        Re: ntpsec as server questions Pocket <pocket@columbus.rr.com> - 2023-12-04 12:00 +0100
          Re: ntpsec as server questions gene heskett <gheskett@shentel.net> - 2023-12-04 12:40 +0100
            Re: ntpsec as server questions Greg Wooledge <greg@wooledge.org> - 2023-12-04 13:20 +0100
              Re: ntpsec as server questions gene heskett <gheskett@shentel.net> - 2023-12-04 17:00 +0100
                Re: ntpsec as server questions Dan Purgert <dan@djph.net> - 2023-12-04 17:40 +0100
                Re: ntpsec as server questions gene heskett <gheskett@shentel.net> - 2023-12-04 22:30 +0100
                Re: ntpsec as server questions David Wright <deblis@lionunicorn.co.uk> - 2023-12-05 04:00 +0100
                Re: ntpsec as server questions Greg Wooledge <greg@wooledge.org> - 2023-12-04 17:40 +0100
                Re: ntpsec as server questions Max Nikulin <manikulin@gmail.com> - 2023-12-04 18:10 +0100
                Re: ntpsec as server questions Greg Wooledge <greg@wooledge.org> - 2023-12-04 19:50 +0100
                Re: ntpsec as server questions Max Nikulin <manikulin@gmail.com> - 2023-12-16 11:40 +0100
                Re: ntpsec as server questions gene heskett <gheskett@shentel.net> - 2023-12-04 22:30 +0100
                Re: ntpsec as server questions John Hasler <john@sugarbit.com> - 2023-12-04 17:40 +0100
                Re: ntpsec as server questions gene heskett <gheskett@shentel.net> - 2023-12-04 22:40 +0100
                Re: ntpsec as server questions Tom Furie <tom@furie.org.uk> - 2023-12-04 17:50 +0100
              Re: ntpsec as server questions Greg Wooledge <greg@wooledge.org> - 2023-12-04 20:20 +0100
                Re: ntpsec as server questions gene heskett <gheskett@shentel.net> - 2023-12-04 22:40 +0100
              Re: ntpsec as server questions gene heskett <gheskett@shentel.net> - 2023-12-04 20:20 +0100
          Re: ntpsec as server questions Greg Wooledge <greg@wooledge.org> - 2023-12-04 13:20 +0100
            Re: ntpsec as server questions Pocket <pocket@columbus.rr.com> - 2023-12-04 14:00 +0100
            Re: ntpsec as server questions gene heskett <gheskett@shentel.net> - 2023-12-04 21:30 +0100
              Re: ntpsec as server questions Greg Wooledge <greg@wooledge.org> - 2023-12-04 21:40 +0100
                Re: ntpsec as server questions David Wright <deblis@lionunicorn.co.uk> - 2023-12-04 22:50 +0100
                Re: ntpsec as server questions jeremy ardley <jeremy.ardley@gmail.com> - 2023-12-05 00:50 +0100
            Re: ntpsec as server questions gene heskett <gheskett@shentel.net> - 2023-12-04 21:30 +0100
              Re: ntpsec as server questions Pocket <pocket@columbus.rr.com> - 2023-12-04 23:20 +0100
                Re: ntpsec as server questions Max Nikulin <manikulin@gmail.com> - 2023-12-05 17:40 +0100
                Re: ntpsec as server questions Pocket <pocket@columbus.rr.com> - 2023-12-05 18:10 +0100
                Re: ntpsec as server questions Max Nikulin <manikulin@gmail.com> - 2023-12-06 13:30 +0100
                Re: ntpsec as server questions Pocket <pocket@columbus.rr.com> - 2023-12-06 14:10 +0100
                Re: ntpsec as server questions Max Nikulin <manikulin@gmail.com> - 2023-12-06 16:10 +0100
                Re: ntpsec as server questions Pocket <pocket@columbus.rr.com> - 2023-12-06 16:50 +0100
                Re: ntpsec as server questions Greg Wooledge <greg@wooledge.org> - 2023-12-06 17:20 +0100
                Re: ntpsec as server questions Pocket <pocket@columbus.rr.com> - 2023-12-06 17:30 +0100
                Re: ntpsec as server questions Greg Wooledge <greg@wooledge.org> - 2023-12-06 17:50 +0100
                Re: ntpsec as server questions Curt <curty@free.fr> - 2023-12-06 17:50 +0100
                Re: ntpsec as server questions gene heskett <gheskett@shentel.net> - 2023-12-05 18:30 +0100
                Re: ntpsec as server questions Pocket <pocket@columbus.rr.com> - 2023-12-05 18:30 +0100
                Re: ntpsec as server questions David Wright <deblis@lionunicorn.co.uk> - 2023-12-06 06:30 +0100
                Re: ntpsec as server questions Max Nikulin <manikulin@gmail.com> - 2023-12-06 17:50 +0100
                Re: ntpsec as server questions Pocket <pocket@columbus.rr.com> - 2023-12-06 18:10 +0100
                Re: ntpsec as server questions Greg Wooledge <greg@wooledge.org> - 2023-12-06 18:30 +0100
                Re: ntpsec as server questions Pocket <pocket@columbus.rr.com> - 2023-12-06 18:40 +0100
                Re: ntpsec as server questions Curt <curty@free.fr> - 2023-12-06 18:50 +0100
                Re: ntpsec as server questions Greg Wooledge <greg@wooledge.org> - 2023-12-06 19:00 +0100
                Re: ntpsec as server questions Pocket <pocket@columbus.rr.com> - 2023-12-06 19:10 +0100
                Re: ntpsec as server questions Greg Wooledge <greg@wooledge.org> - 2023-12-06 19:30 +0100
                Re: ntpsec as server questions David Wright <deblis@lionunicorn.co.uk> - 2023-12-06 21:50 +0100
                Re: ntpsec as server questions Pocket <pocket@columbus.rr.com> - 2023-12-07 00:20 +0100
                Re: ntpsec as server questions Greg Wooledge <greg@wooledge.org> - 2023-12-07 01:20 +0100
                Re: ntpsec as server questions Pocket <pocket@columbus.rr.com> - 2023-12-07 01:30 +0100
                Re: ntpsec as server questions Greg Wooledge <greg@wooledge.org> - 2023-12-07 01:30 +0100
                Re: ntpsec as server questions Pocket <pocket@columbus.rr.com> - 2023-12-07 01:40 +0100
                Re: ntpsec as server questions Greg Wooledge <greg@wooledge.org> - 2023-12-07 01:50 +0100
                Re: ntpsec as server questions Pocket <pocket@columbus.rr.com> - 2023-12-07 02:50 +0100
                Re: ntpsec as server questions David Wright <deblis@lionunicorn.co.uk> - 2023-12-07 06:50 +0100
                Re: ntpsec as server questions Max Nikulin <manikulin@gmail.com> - 2023-12-08 03:40 +0100
                Re: ntpsec as server questions Greg Wooledge <greg@wooledge.org> - 2023-12-08 04:10 +0100
                Re: ntpsec as server questions gene heskett <gheskett@shentel.net> - 2023-12-08 05:20 +0100
                Re: ntpsec as server questions Greg Wooledge <greg@wooledge.org> - 2023-12-08 13:20 +0100
                Re: ntpsec as server questions Greg Wooledge <greg@wooledge.org> - 2023-12-08 18:00 +0100
                Re: ntpsec as server questions Max Nikulin <manikulin@gmail.com> - 2023-12-09 12:20 +0100
                Re: ntpsec as server questions Greg Wooledge <greg@wooledge.org> - 2023-12-08 13:40 +0100
                Re: ntpsec as server questions <tomas@tuxteam.de> - 2023-12-08 14:20 +0100
                Re: ntpsec as server questions "Thomas Schmitt" <scdbackup@gmx.net> - 2023-12-08 14:40 +0100
                Re: ntpsec as server questions David Wright <deblis@lionunicorn.co.uk> - 2023-12-08 18:10 +0100
                Re: ntpsec as server questions David Wright <deblis@lionunicorn.co.uk> - 2023-12-06 21:30 +0100
                Re: ntpsec as server questions Pocket <pocket@columbus.rr.com> - 2023-12-07 00:20 +0100
                Re: ntpsec as server questions <tomas@tuxteam.de> - 2023-12-07 06:40 +0100
                Re: ntpsec as server questions David Wright <deblis@lionunicorn.co.uk> - 2023-12-07 06:50 +0100
                Re: ntpsec as server questions Greg Wooledge <greg@wooledge.org> - 2023-12-07 13:20 +0100
                Re: ntpsec as server questions Pocket <pocket@columbus.rr.com> - 2023-12-07 14:10 +0100
                Re: ntpsec as server questions John Hasler <john@sugarbit.com> - 2023-12-07 15:30 +0100
                Re: ntpsec as server questions Pocket <pocket@columbus.rr.com> - 2023-12-07 15:40 +0100
                Re: ntpsec as server questions David Wright <deblis@lionunicorn.co.uk> - 2023-12-07 17:00 +0100
                Local time in databases (Re: ntpsec as server questions) Max Nikulin <manikulin@gmail.com> - 2023-12-07 16:40 +0100
                Re: Local time in databases (Re: ntpsec as server questions) <tomas@tuxteam.de> - 2023-12-07 17:10 +0100
                Re: Local time in databases (Re: ntpsec as server questions) Max Nikulin <manikulin@gmail.com> - 2023-12-08 03:20 +0100
                Re: Local time in databases (Re: ntpsec as server questions) Nicholas Geovanis <nickgeovanis@gmail.com> - 2023-12-08 05:20 +0100
                Re: Local time in databases (Re: ntpsec as server questions) <tomas@tuxteam.de> - 2023-12-08 05:40 +0100
                Re: Local time in databases (Re: ntpsec as server questions) Max Nikulin <manikulin@gmail.com> - 2023-12-12 18:10 +0100
                Re: Local time in databases David Wright <deblis@lionunicorn.co.uk> - 2023-12-17 06:20 +0100
                Re: Local time in databases (Re: ntpsec as server questions) <tomas@tuxteam.de> - 2023-12-08 05:40 +0100
                Re: ntpsec as server questions James Cloos <cloos@jhcloos.com> - 2023-12-06 22:30 +0100
                Re: ntpsec as server questions David Wright <deblis@lionunicorn.co.uk> - 2023-12-07 06:50 +0100
              Re: ntpsec as server questions David Wright <deblis@lionunicorn.co.uk> - 2023-12-05 04:00 +0100
      Re: ntpsec as server questions Anssi Saari <anssi.saari@debian-user.mail.kapsi.fi> - 2023-12-04 11:10 +0100
        Re: ntpsec as server questions gene heskett <gheskett@shentel.net> - 2023-12-04 12:30 +0100
          Re: ntpsec as server questions <tomas@tuxteam.de> - 2023-12-04 12:50 +0100
  Re: ntpsec as server questions Greg Wooledge <greg@wooledge.org> - 2023-12-04 02:00 +0100
  Re: ntpsec as server questions <tomas@tuxteam.de> - 2023-12-04 06:10 +0100
    Re: ntpsec as server questions Jeffrey Walton <noloader@gmail.com> - 2023-12-04 06:30 +0100
      Re: ntpsec as server questions Charles Curley <charlescurley@charlescurley.com> - 2023-12-04 07:30 +0100
        Re: ntpsec as server questions Jeffrey Walton <noloader@gmail.com> - 2023-12-04 08:10 +0100
    Re: ntpsec as server questions gene heskett <gheskett@shentel.net> - 2023-12-04 11:00 +0100

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