From: | "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com> |
---|---|
To: | Francisco Reyes <lists(at)stringsutils(dot)com> |
Cc: | PostgreSQL performance <pgsql-performance(at)postgresql(dot)org> |
Subject: | Re: Small table or partial index? |
Date: | 2005-12-12 22:24:33 |
Message-ID: | 20051212222433.GH54639@pervasive.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-performance |
On Fri, Dec 02, 2005 at 06:28:09PM -0500, Francisco Reyes wrote:
> I am in the process of designing a new system.
> There will be a long list of words such as
>
> -word table
> word_id integer
> word varchar
> special boolean
>
> Some "special" words are used to determine if some work is to be done and
> will be what we care the most for one type of operation.
Tough call. The key here is the amount of time required to do a join. It
also depends on if you need all the special words or not. Your best bet
is to try and benchmark both ways.
--
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
From | Date | Subject | |
---|---|---|---|
Next Message | Manfred Koizar | 2005-12-12 22:34:12 | Re: Joining 2 tables with 300 million rows |
Previous Message | Vivek Khera | 2005-12-12 22:19:39 | Re: opinion on disk speed |