Re: Turning off transactions completely.

Поиск
Список
Период
Сортировка
От Arsalan Zaidi
Тема Re: Turning off transactions completely.
Дата
Msg-id 010401c19818$b8336ea0$4301a8c0@directi.com
обсуждение исходный текст
Ответ на Re: Turning off transactions completely.  ("Arguile" <arguile@lucentstudios.com>)
Список pgsql-general
> Arsalan writes:
> > >   - look on your indexes, perhaps you can create an index on
> > two columns?
> > >
> >
> > Got them up the wazoo. Two column ones as well...
> >
>
> Make sure you don't have any you don't absolutely need. Each index you
have
> adds overhead to any DML statement as it needs to be adjusted.
>

DML?

If you're talking about slower inserts because of index's; I drop them them
on the really heavy tables before I do a COPY/INSERT.

> > Just want to know, is an index on (foo,bar) different from (bar,foo)?
Does
> > the order in which they appear in the index creation statement and in
> > subsequent queries make a difference?
>

<snipped nice explaination>

Cool. My index's are in order and so that's ok. I just wanted to be sure
about this.

>
>


В списке pgsql-general по дате отправления:

Предыдущее
От: "Arguile"
Дата:
Сообщение: Re: Turning off transactions completely.
Следующее
От: Maarten.Boekhold@reuters.com
Дата:
Сообщение: Re: Turning off transactions completely.