Re: count * performance issue

Поиск
Список
Период
Сортировка
От Chris
Тема Re: count * performance issue
Дата
Msg-id 47CF85A3.8080407@gmail.com
обсуждение исходный текст
Ответ на count * performance issue  ("sathiya psql" <sathiya.psql@gmail.com>)
Список pgsql-performance
sathiya psql wrote:
> count(*) tooks much time...
>
> but with the where clause we can make this to use indexing,... what
> where clause we can use??
>
> Am using postgres 7.4 in Debian OS with 1 GB RAM,
>
> am having a table with nearly 50 lakh records,

Looks suspiciously like a question asked yesterday:

http://archives.postgresql.org/pgsql-performance/2008-03/msg00068.php

--
Postgresql & php tutorials
http://www.designmagick.com/

В списке pgsql-performance по дате отправления:

Предыдущее
От: Chris
Дата:
Сообщение: Re: Confirmação de envio / Sending confirmation (captchaid:13266b20536d)
Следующее
От: "petchimuthu lingam"
Дата:
Сообщение: Confirmação de envio / Sending confirmation (captchaid:13266b2056e4)