Re: An unresolved performance problem.

Поиск
Список
Период
Сортировка
От Achilleus Mantzios
Тема Re: An unresolved performance problem.
Дата
Msg-id Pine.LNX.4.44.0305091611210.7304-100000@matrix.gatewaynet.com
обсуждение исходный текст
Ответ на Re: An unresolved performance problem.  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: An unresolved performance problem.  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-performance
On Fri, 9 May 2003, Tom Lane wrote:

> Achilleus Mantzios <achill@matrix.gatewaynet.com> writes:
> > If so, how can one find the correlation between the ordering
> > of a table and a multicolumn index?
>
> Well, it is surely no better than the correlation of the index's
> first column --- what is that?

it is 1

>
>             regards, tom lane
>

--
==================================================================
Achilleus Mantzios
S/W Engineer
IT dept
Dynacom Tankers Mngmt
Nikis 4, Glyfada
Athens 16610
Greece
tel:    +30-210-8981112
fax:    +30-210-8981877
email:  achill@matrix.gatewaynet.com
        mantzios@softlab.ece.ntua.gr


В списке pgsql-performance по дате отправления:

Предыдущее
От: Tom Lane
Дата:
Сообщение: Re: An unresolved performance problem.
Следующее
От: Tom Lane
Дата:
Сообщение: Re: An unresolved performance problem.