Thanks for the suggestion. I would still like to know whether we have any tools available in open source domain for the same. Handling views may become difficult due to size and complexity of the database
----- Original Message ----- From: Scott Marlowe <scott.marlowe@gmail.com> Date: Thursday, January 10, 2008 8:48 pm Subject: Re: [ADMIN] Postgres replication To: nalini <nalini@nic.in> Cc: pgsql-admin@postgresql.org
> On Jan 10, 2008 1:38 AM, nalini <nalini@nic.in> wrote: > > Dear All > > > > I have a application running at various locations with backend > as postgres > > Slony is configured at all locations for replication at local > site anda > > central server where each site has its own database instance. > > > > Now we wish to merge data collected from all the sites into > one database > > instance to provide consolidated view > > > > database schema is same at all the places > > However as the application is still under development the > schema maychange. > > however the change will happen at all the locations. > > I would replicate each one to a different schema on the same server > and then use views to consolidate the data into what appears to > be one > set. To make everything unique, you could prepend a unique > id to each > identifier based on the schema it came from. > > ---------------------------(end of broadcast)-------------------- > ------- > TIP 6: explain analyze is your friend