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Re: real time c/s form data synchronization

From: Chris Boyle <cboyle_at_hargray.com>
Date: Sat, 15 Nov 2003 08:25:39 -0500
Message-ID: <jPptb.4984$MB4.2486@lakeread02>


Thank you both.
"Chris Boyle" <cboyle_at_hargray.com> wrote in message news:wlUsb.3510$MB4.836_at_lakeread02...
> Forms 6i c/s against 9i v2
> Our users have a schedule screen that allows them to view/allocate
resources
> to events during a 24-hour period. Many people will be working on the
data
> for the same period. The "gotcha" is that they must be able to see when a
> new event is added as soon as it happens. I.e. if I am working on
> provisioning an event and a new event is added I must have it show up
> without any explicit action on my part.
> Approaches considered
> Re-query every 5 seconds
> Load the original data in a record group to provide read consistency; if
a
> new row is added to the tables for the same time period create a record in
a
> monitor table; have the form poll the table every 5 seconds and if a new
> record is found with a timestamp later than the forms last data refresh
then
> refresh the forms data.
> Since there can be 20-60 instances of the form running at once I believe
> these two solutions would result in my dba s whacking me with a clue by
> four.
> We are also going to see if we can use dbms_pipe to let the form know a
> refresh is needed but I don't know (yet) if that works with forms.
> Can anyone offer suggestions about how to approach this?
> Thanks,
> Chris
>
>
Received on Sat Nov 15 2003 - 07:25:39 CST

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