Thanks for all your responses and my apologies for putting the question in the wrong list.
I think OLAP is the answer for my requirements. Regards, Hardik On Wed, Aug 4, 2010 at 5:40 AM, Greg Smith <g...@2ndquadrant.com> wrote: > Hardik Belani wrote: > >> For this i can create a table with number and time (may be time offset >> instead of timestamp) as columns. But still it will require me to store huge >> number of rows in the order of few millions. Data is read only and only >> inserts can happen. But I need to perform all kinds of aggregation to get >> various statistics. for example: daily avg, monthly avg etc.. >> >> > > > You've unfortunately asked on the wrong list about this. pgsql-hackers is > intended mainly for discussion related to the source code of PostgreSQL, so > this is off-topic for it. The people who like to argue about the best way > to implement aggregates and the like are on the pgsql-performance list. > You'd be more likely to get detailed responses if you asked this question > there. That group loves to talk about how to design things for other > people. > > > -- > Greg Smith 2ndQuadrant US Baltimore, MD > PostgreSQL Training, Services and Support > g...@2ndquadrant.com www.2ndQuadrant.us <http://www.2ndquadrant.us/> > >
