Nothing to do with math question asked but if you have RMAN repository you can consider a short note I posted couple days ago. There is a way to get past trend data. http://www.pythian.com/blogs/318/using-rman-repository-for-database-growth-trend On 11/29/06, Charles Schultz <sacrophyte@xxxxxxxxx> wrote:
10g introduced an object growth trend package. Unfortunately, it was horribly broken and I have not checked recently to see if they cleaned it up, yet. In the meantime, I have been using linear regression which works pretty good. We keep a repository of all tablespaces and build nightly reports. You always have to watch out for the exceptions, though. =) As our approach is rather hacked, I would be interested to hear what others are using. On 11/29/06, Bob <orcl@xxxxxxxxxxx > wrote: > Is there a way to find the trending growth (next increment) difference > between a defined list of values ie > > 1 , 2, 3, 4, 5 -- the next increment would be 1 > 5,4,3,2,1 -- the next increment would be -1 > 2,4,6,8,10 -- the next increment would be 2 > 20,15,25,10,30 -- the next increment would be 10 > > I dont want to subtract base values, so if the base value were lower > than the previous value, the lower value would re establish the counter. > > I would use to get trending growth of tablespaces, in this example over > a 5 month period > > Thanks > Bob > > -- > "Oracle error messages being what they are, do not > highlight the correct cause of fault, but will identify > some other error located close to where the real fault lies." > > -- > //www.freelists.org/webpage/oracle-l > > > -- Charles Schultz
-- Best regards, Alex Gorbachev The Pythian Group Sr. Oracle DBA http://www.pythian.com/blogs/author/alex/ http://blog.oracloid.com -- //www.freelists.org/webpage/oracle-l