Re: Advise on primary key for detail tables (OS: Raspberry Pi)

-----Original Message-----
From: Adrian Klaver [mailto:adrian(dot)klaver(at)aklaver(dot)com]
Sent: Thursday, April 6, 2017 4:18 PM
To: Ertan Küçükoğlu <ertan(dot)kucukoglu(at)1nar(dot)com(dot)tr>;
pgsql-general(at)postgresql(dot)org
Subject: Re: [GENERAL] Advise on primary key for detail tables (OS:
Raspberry Pi)

> On 04/06/2017 03:27 AM, Ertan Küçükoğlu wrote:
> > Sorry for top posting.
> >
> > I have a serial in master table because I need to know data insertion
order.
> > DateTime on Raspberry Pi is not accurate due to power loss and lack of
> > internet access to fetch correct time from.
>
> Understand, though it does beg the question, why have the uuid column?
>
> --
> Adrian Klaver
> adrian(dot)klaver(at)aklaver(dot)com

Programmatically it is easier as I can start saving from very bottom detail
table instead of having to save first the master table record. Users will
directly work on detail tables. Master table will be saved & updated by
software automatically as last piece of information.