Subject | Re: [IBO] Multiple dbs and system wide unique keys |
---|---|
Author | Raymond Kennington |
Post date | 2002-12-10T20:49:33Z |
"Brian K. Woods" wrote:
--
Raymond Kennington
Programming Solutions
W2W Team B
>Have you considered using a unique "Office ID" field as well as a generator?
> > -----Original Message-----
> > From: Lester Caine <lester@...>
> > [mailto:lester@...]
> > Sent: Tuesday, December 10, 2002 12:05 PM
> > To: IBObjects@yahoogroups.com
> > Subject: Re: [IBO] Multiple dbs and system wide unique keys
> >
>
> > No problem at all. Only the master database is used for that
> > sort of problem. I don't actually use the information on the
> > local copies, as all of the inserts and updates are
> > broadcast from the main server, but I have a network request
> > to get the next number from the master copies generator if
> > an operator is trying to add a train from a remote location.
> >
>
> Ahh, so yours is mostly one way. The project I'm planning will initially
> be 2-3 users at each of two separate sites, so a client/server setup at each
> site
> would be sufficient. However, the potential is there for a need to scale to
> multiple offices
> working with a central organizational wide database, at which time I would
> need globally unique keys to be generated at any location with the data
> propagated first to the central db but available for each office. Of
> course, as
> in your system, the propagation to the other offices would not be
> time-critical,
> but it would still have to be two-way.
>
> I'll have to put together a prototype, I guess, with some actual
> representative data
> in order to test it out to see if it would hold up.
>
> Anyone else's two-cents worth is still welcome!
> Brian
>
--
Raymond Kennington
Programming Solutions
W2W Team B