The most recent version of this thread starts here:
Search the archives for "table partition", "union view" and "partition
inherits" and you should find most relevant discussions.
Hope that helps!
On Thu, 17 Mar 2005 15:01:43 +0100, Lending, Rune
<[EMAIL PROTECTED]> wrote:
> Hello all.
> I am having a couple of tables with couple of hundre millions records in
> them. The tables contains a timestamp column.
> I am almost always interested in getting datas from a specific day or month.
> Each day contains aprox. 400.000 entries.
> When I do such queries as " select ... from archive where m_date between
> '2005-01-01' and '2005-02-01' group by ... " and so on.
> It takes very long. I am having indexes that kicks in, but still it takes
> I have splitted the archive table in smaller monthly tables, it then goes a
> lot faster, but not fast enough.
> I know simular systems that uses Oracle and gains a lot on performance
> because of the partioning. That kind of anoyes me a bit :)
> Does anyone of you have some good ideas on how speed up such queries on
> huge tables?
GPLS -- PINES Development
---------------------------(end of broadcast)---------------------------
TIP 1: subscribe and unsubscribe commands go to [EMAIL PROTECTED]