How big are the underlying tables? If they are large, are you partitioning? Since the values only change daily, if the end result is a reasonable size, have you considered using a CTAS rather than views? LewisC --- Ranieri Mazili <ranieri.oliveira@xxxxxxxxxxxx> wrote: > Hello, > > I'm developing a BI and as database it's using postgresql 8.2, how > data > are very detailed, I'm creating a view to consolidate the most > important > data, but the performance of view is very poor, 1 minute to perform > more > or less without where clause. > I need to know how I can increase the performance, if exist some > option > to do cache, because the view will change only one time per day. > My configuration is default, without modifications after install. > I'm using windows 2003 server with a dell server with 4GB of > memory. > > To create the view, I created some functions, and then perform they > on > one select like: > select A.field1, B.field2, ... from function_A() A, function_B() > B... > Is this the best way to do it? > > I appreciate any help. > > Thanks > > > ---------------------------(end of > broadcast)--------------------------- > TIP 3: Have you checked our extensive FAQ? > > http://www.postgresql.org/docs/faq > ----------------------------------------------------------- Lewis R Cunningham An Expert's Guide to Oracle Technology http://blogs.ittoolbox.com/oracle/guide/ EnterpriseDB: The Definitive Reference http://tinyurl.com/39246e ---------------------------------------------------------- ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings
