Re: Order of tables - Mailing list pgsql-performance

From Rishabh Kumar Jain
Subject Re: Order of tables
Date
Msg-id 1304487058290-4369093.post@n5.nabble.com
Whole thread Raw
In response to Re: Order of tables  (Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>)
List pgsql-performance
Heikki Linnakangas-3 wrote:
>
> On 28.04.2011 12:20, Rishabh Kumar Jain wrote:
>> How the tables must be ordered in the list of tables in from statement?
>
> There is no difference in performance, if that's what you mean. (If not,
> then pgsql-novice or pgsql-sql mailing list would've be more appropriate)
>
> --
>    Heikki Linnakangas
>    EnterpriseDB   http://www.enterprisedb.com
>
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I understood that now but I have one more query.
In what manner are explicit joins added to improve performence?
Are there some rules for it?

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