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Home -> Community -> Usenet -> c.d.o.server -> Re: Multiple db connections
Can you explain more about "all other users are going to see the changes even before the commit happens"? How can that happen? What should I do to make this happen? Thank you.
Yong Huang
yhuang_at_indigopool.com
Graham Thornton <graham.thornton_at_ln.ssw.abbott.com> wrote in message
news:39D1EC76.DF184052_at_ln.ssw.abbott.com...
> bshah_at_sportsmail.com wrote:
>
> > Hi,
> >
> > We need multiple database connections for a web-server like
> > architecture. The program we are writing is in pro*c, and we wanted to
> > know the best (considering both cost and efficiency) to set up the
> > connection scheme.
> >
> > Reading over the documentation, I see that we could use one common
> > context, shared between threads/connections. However, this context may
> > not be used by more than thread at a given time. This seems to be a big
> > limitation if there are thousands of connections.
>
> You also run into massive locking problems. If user A is updating the EMP
> table, then all other users are going to see the changes even before the
> commit
> happens. If user A subsequently chooses to rollback, all transactions
> rollback!
[snipped]
Received on Wed Sep 27 2000 - 17:59:00 CDT
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