| From: | "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com> |
|---|---|
| To: | Dave Dutcher <dave(at)tridecap(dot)com> |
| Cc: | 'Clemens Eisserer' <linuxhippy(at)gmail(dot)com>, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Question about explain-command... |
| Date: | 2006-05-11 22:41:12 |
| Message-ID: | 20060511224111.GX99570@pervasive.com |
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| Thread: | |
| Lists: | pgsql-performance |
On Wed, May 10, 2006 at 09:47:07AM -0500, Dave Dutcher wrote:
> The hash lines mean your tables are being joined by hash joins. You
> should read this page for more info:
>
> http://www.postgresql.org/docs/8.1/interactive/performance-tips.html
<tooting-own-horn>You might also want to read
http://www.pervasivepostgres.com/instantkb13/article.aspx?id=10120&query=explain
--
Jim C. Nasby, Sr. Engineering Consultant jnasby(at)pervasive(dot)com
Pervasive Software http://pervasive.com work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461
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