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Data Bases > Pgsql Performance > Re: count * per...
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Re: count * performance issue

by gsmith@[EMAIL PROTECTED] (Greg Smith) Mar 6, 2008 at 08:18 AM

On Thu, 6 Mar 2008, sathiya psql wrote:

> is there any article saying the difference between this 7.3 and 8.4

I've collected a list of everything on this topic I've seen at 
http://www.postgresqldocs.org/index.php/Version_8.3_Changes

The Feature Matrix linked to there will be a quicker way to see what's 
happened than sorting through the release notes.

None of these changes change the fact that getting an exact count in this 
situation takes either a sequential scan or triggers.

--
* Greg Smith gsmith@[EMAIL PROTECTED]
 http://www.gregsmith.com
Baltimore, MD

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 22 Posts in Topic:
Re: count * performance issue
gsmith@[EMAIL PROTECTED]   2008-03-06 08:18:17 
Re: count * performance issue
craig_james@[EMAIL PROTEC  2008-03-06 07:28:50 
Re: count * performance issue
bruce@[EMAIL PROTECTED]   2008-03-06 10:33:25 
Re: count * performance issue
sgunderson@[EMAIL PROTECT  2008-03-06 16:36:39 
Re: count * performance issue
mark.lewis@[EMAIL PROTECT  2008-03-06 08:16:31 
Re: count * performance issue
tgl@[EMAIL PROTECTED] (T  2008-03-06 12:29:22 
Re: count * performance issue
craig_james@[EMAIL PROTEC  2008-03-06 19:00:17 
Re: count * performance issue
rivers.paul@[EMAIL PROTEC  2008-03-06 21:38:48 
Benchmark: Dell/Perc 6, 8 disk RAID 10
craig_james@[EMAIL PROTEC  2008-03-12 21:55:18 
Re: Benchmark: Dell/Perc 6, 8 disk RAID 10
justin@[EMAIL PROTECTED]   2008-03-13 04:11:59 
Re: Benchmark: Dell/Perc 6, 8 disk RAID 10
will@[EMAIL PROTECTED] (  2008-03-13 08:11:06 
Re: Benchmark: Dell/Perc 6, 8 disk RAID 10
justin@[EMAIL PROTECTED]   2008-03-13 09:55:55 
Re: Benchmark: Dell/Perc 6, 8 disk RAID 10
craig_james@[EMAIL PROTEC  2008-03-13 07:29:23 
Re: Benchmark: Dell/Perc 6, 8 disk RAID 10
justin@[EMAIL PROTECTED]   2008-03-13 16:09:26 
Re: Benchmark: Dell/Perc 6, 8 disk RAID 10
dknight@[EMAIL PROTECTED]  2008-03-13 08:11:10 
Re: Benchmark: Dell/Perc 6, 8 disk RAID 10
craig_james@[EMAIL PROTEC  2008-03-13 07:36:47 
Re: count * performance issue
josh@[EMAIL PROTECTED] (  2008-03-07 17:27:35 
Re: count * performance issue
tgl@[EMAIL PROTECTED] (T  2008-03-07 20:38:15 
Re: count * performance issue
mark@[EMAIL PROTECTED] (  2008-03-08 00:31:42 
Re: count * performance issue
rivers.paul@[EMAIL PROTEC  2008-03-07 23:11:19 
Re: count * performance issue
acmmailing@[EMAIL PROTECT  2008-03-08 09:04:31 
Re: Benchmark: Dell/Perc 6, 8 disk RAID 10
mstone+postgres@[EMAIL PR  2008-03-14 11:16:02 

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tan12V112 Mon Dec 1 9:04:25 CST 2008.