Re: Join efficiency

On Wed, 01 Sep 2004 10:31:07 -0400, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> "Russ Brown" <postgres(at)dot4dot(dot)plus(dot)com> writes:
>> Is there any difference between these queries in terms of the speed of
>> planning or the quality of the plan untimately used?
>
> http://www.postgresql.org/docs/7.4/static/explicit-joins.html
> http://www.postgresql.org/docs/7.3/static/explicit-joins.html
> http://www.postgresql.org/docs/7.2/static/explicit-joins.html
> http://www.postgresql.org/docs/7.1/static/explicit-joins.html
>
> depending on which version you are using. (I think 7.1-7.3
> are essentially alike, but 7.4 is not.)
>
> regards, tom lane
>

Thanks for that: very informative.

I should have spotted that in the manual myself, though it has been nice
reading other people's opinions on the subject too.

Regards.

--

Russell Brown